Pro StockSeries 90004340 ForgedF-43Pro SeriesSuperlight
192

Features & Benefits

Designed to replace factory crankshafts or for spec. Class racing use. Competitively priced for a stock to mildly built engine.

  • Designed & engineered at scat
  • Precision ground & micro polished
  • No more hassles with poor quality cores
  • Simplify your bearing stocks to std/std
  • Wissota approved
 

CHEVY PRO STOCK REPLACEMENT CAST CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech NotesNew
CHEVY SMALL BLOCK 383 9-103750 9103750 350 2-Pc Rear Seal 3.750 5.700 2.100 48 External Balance
CHEVY SMALL BLOCK 383 9-103750L 9103750L 350 1-Pc Rear Seal, Late 3.750 5.700 2.100 48 Internal Front, External Rear Balance**
CHEVY SMALL BLOCK 350 - 400 REPLACEMENT 9-10442 910442 350 2-Pc Rear Seal 3.480 5.700 2.100 50 Internal Balance
CHEVY SMALL BLOCK 350 - 400 REPLACEMENT 9-104000 910400 400 2-Pc Rear Seal 3.750 5.700 2.100 50 Ext Balance, Not Stock Rod Length
CHEVY SMALL BLOCK 350 - 400 REPLACEMENT 9-10243070 9102430 350 1-Pc Rear Seal, Lt-5 3.480 5.700 2.100 49 Int Front, Ext Rear Balance***
CHEVY SMALL BLOCK 350 - 400 REPLACEMENT 9-10526 910526 350 1-Pc Rear Seal, Late 3.480 5.700 2.100 48 Int Front, Ext Rear Balance
CHEVY BIG BLOCK 9-10454 910454 454 2-Pc Rear Seal 4.000 6.135 2.200 62 External Balance
CHEVY BIG BLOCK 9-10454L 910454L 454 1-Pc Rear Seal, Late 4.000 6.135 2.200 66 External Balance
GMC DIESEL 9-6.5-3819-6280 965L3819 Gmc Diesel Cast Repl. 3.819 6.280 2.399 71 Stock Replacement



*Weights (lbs) are approximate, actuals may vary
**Balances at 1830 to 1850 grams with ext. weighted flywheel, neutral balancer & one piece of heavy metal in #1 counterweight.
***Crank trigger on nose
474

Features & Benefits

The next step towards making big, reliable power for street or strip use. Our 9000 series crankshaft comes in a wide range of strokes & rod combinations for chevy, ford, chrysler & more. Budget minded, performance driven.

  • Designed & engineered at SCAT
  • Precision ground & micro polished
  • IMCA & Race Saver approved
 

CHEVY SERIES 9000 CAST LIGHTWEIGHT CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech NotesNew
CHEVY 305 SPRINT 9-305-3480-5700-1 930510-1 305 2-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance, Race Saver Approved NEW
CHEVY 305 SPRINT 9-305-3480-5700-L-1 930510L-1 305 1-Pc Rear Seal 3.480 5.700 2.100 48 Int Front, Ext Rear Balance, Race Saver Approved NEW
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-350-3480-5700 935010 350 2-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance, IMCA Approved
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-350-3750-5700 935050 350 2-Pc Rear Seal 3.750 5.700 2.100 48 External Balance
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-350-3750-6000 935056 350 2-Pc Rear Seal 3.750 6.000 2.100 48 Internal Balance
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-400-3500-6000 940020 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-400-3750-5700 940050 400 2-Pc Rear Seal 3.750 5.700 2.100 50 External Balance
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL 9-400-3750-6000 940056 400 2-Pc Rear Seal 3.750 6.000 2.100 50 Internal Balance
CHEVY SMALL BLOCK 350 MAIN 1-PC REAR SEAL 9-350-3750-5700-L 935050L* 350 1-Pc Rear Seal, Late 3.750 5.700 2.100 48 Balances at 1830 to 1850 grams with ext. Weighted flywheel, neutral balancer & one piece of heavy metal in #1 counterweight.
CHEVY SMALL BLOCK 350 MAIN 1-PC REAR SEAL 9-350-3750-6000-L 935060L 350 1-Pc Rear Seal, Late 3.750 6.000 2.100 48 Int Front, Ext Rear Balance
CHEVY BIG BLOCK 454 MAIN 2-PC REAR SEAL 9-454-4250-6135 945420 454 2-Pc Rear Seal 4.250 6.135 2.200 64 External Balance
CHEVY BIG BLOCK 454 MAIN 2-PC REAR SEAL 9-454-4250-6385 945425 454 2-Pc Rear Seal 4.250 6.385 2.200 64 Int Bal, May Req Mallory
CHEVY BIG BLOCK 454 MAIN 1-PC REAR SEAL 9-454-4250-6135-L 945420L 454 1-Pc Rear Seal, Late 4.250 6.135 2.200 66 External Balance
CHEVY BIG BLOCK 454 MAIN 1-PC REAR SEAL 9-454-4250-6385-L 945425L 454 1-Pc Rear Seal, Late 4.250 6.385 2.200 66 Int Bal, May Req Mallory



*Weights (lbs) are approximate, actuals may vary
477

Features & Benefits

SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT’s premium non-twist forgings, machined to exact specifications big and reliable cubic inches can be made.

  • Designed & engineered at SCAT
  • Precision ground & micro polished
  • Heat treated & ion nitrided
  • Straight shot & chamfered oil holes
  • Lightening holes & large radii on all journals
 

CHEVY 4340 STD. WEIGHT FORGED CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech Notes
305 MAIN - 1 & 2 PC REAR SEAL 4-305-3480-5700-1 435010-1 305 2-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance NEW
305 MAIN - 1 & 2 PC REAR SEAL 4-305-3500-5700-1 435020-1 305 2-Pc Rear Seal 3.500 5.700 2.100 48 Internal Balance NEW
305 MAIN - 1 & 2 PC REAR SEAL 4-305-3480-5700-L-1 435010L-1 305 1-Pc Rear Seal 3.480 5.700 2.100 51 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-3250-5700 435006 350 2-Pc Rear Seal 3.250 5.700 2.100 48 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3480-5700-2” 435010-2” 350 2-Pc Rear Seal 3.480 5.700 2.000 51 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-3480-5700 435010 350 2-Pc Rear Seal 3.480 5.700 2.100 51 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3500-5700-2” 435020-2” 350 2-Pc Rear Seal 3.500 5.700 2.000 51 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-3500-5700 435020 350 2-Pc Rear Seal 3.500 5.700 2.100 51 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3562-5700 435030 350 2-Pc Rear Seal 3.562 5.700 2.100 51 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3625-5700 435040 350 2-Pc Rear Seal 3.625 5.700 2.100 52 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3750-5700 435050 350 2-Pc Rear Seal 3.750 5.700 2.100 52 External Balance
305 MAIN - 2 PC REAR SEAL 4-350-3750-6000-2” 435056-2” 350 2-Pc Rear Seal 3.750 6.000 2.000 53 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-3750-6000 435056 350 2-Pc Rear Seal 3.750 6.000 2.100 53 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3800-6000-2” 435066-2” 350 2-Pc Rear Seal 3.875 6.000 2.000 53 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-3800-6000 435066 350 2-Pc Rear Seal 3.875 6.000 2.100 53 Internal Balance
305 MAIN - 2 PC REAR SEAL 4-350-3875-6000 435076 350 2-Pc Rear Seal 3.875 6.000 2.100 53 Internal Balance NEW
305 MAIN - 2 PC REAR SEAL 4-350-4000-6000 435086 350 2-Pc Rear Seal 4.000 6.000 2.100 54 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3500-6000 440026 350 2-Pc Rear Seal 3.500 6.000 2.100 54 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3750-5700 440050 350 2-Pc Rear Seal 3.750 5.700 2.100 54 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3750-6000 440056 350 2-Pc Rear Seal 3.750 6.000 2.100 55 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3800-6000-2” 440066-2” 350 2-Pc Rear Seal 3.800 6.000 2.000 55 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL 4-400-3800-6000 440066 350 2-Pc Rear Seal 3.800 6.000 2.100 55 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3875-6000 440076 350 2-Pc Rear Seal 3.875 6.000 2.100 56 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3875-6000-2 440076 350 2-Pc Rear Seal 3.875 6.000 2.100 56 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3875-6000-2-2” 440076 350 2-Pc Rear Seal 3.875 6.000 2.100 56 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3875-6000-3 440076 350 2-Pc Rear Seal 3.875 6.000 2.100 56 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-4000-6000 440086 350 2-Pc Rear Seal 4.000 6.000 2.100 56 Internal Balance
350 MAIN - 1 PC REAR SEAL 4-350-3480-5700-L 435010L 350 1-Pc Rear Seal 3.480 5.700 2.100 51 Int Front, Ext Rear Balance
350 MAIN - 1 PC REAR SEAL 4-350-3750-5700-L 435050L 350 1-Pc Rear Seal 3.750 5.700 2.100 52 Int Front, Ext Rear Balance
350 MAIN - 1 PC REAR SEAL 4-350-3800-5700-L 435060L 350 1-Pc Rear Seal 3.800 5.700 2.100 52 Int Front, Ext Rear Balance
350 MAIN - 1 PC REAR SEAL 4-350-3800-6000-L 435066L 350 1-Pc Rear Seal 3.800 6.000 2.100 52 Int Front, Ext Rear Balance
350 MAIN - 1 PC REAR SEAL 4-350-3875-6000-L 435076L 350 1-Pc Rear Seal 3.875 6.000 2.100 52 Int Front, Ext Rear Balance
LS 8-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4125-6000-24 4LS141282 8-Bolt 4.125 6.000 2.100 48 24-Tooth Reluctor Wheel NEW
LS 8-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4125-6000-58 4LS141285 8-Bolt 4.125 6.000 2.100 48 58-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-3622-6125-24 4LS136262 6-Bolt 3.622 6.125 2.100 48 24-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-3622-6125-58 4LS136365 6-Bolt 3.622 6.125 2.100 48 58-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4000-6125-24 4LS140062 6-Bolt 4.000 6.125 2.100 50 24-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4000-6125-58 4LS140065 6-Bolt 4.000 6.125 2.100 50 58-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4125-6125-24 4LS141262 6-Bolt 4.125 6.125 2.100 52 24-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4125-6125-58 4LS141265 6-Bolt 4.125 6.125 2.100 52 58-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4250-6125-24 4LS142562 6-Bolt 4.250 6.125 2.100 54 24-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO STOCK SERIES 4-LS1-4250-6125-58 4LS142565 6-Bolt 4.250 6.125 2.100 54 58-Tooth Reluctor Wheel
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-3622-6125-24-2 4LS136262-2 6-Bolt 3.622 6.125 2.100 46 24-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-3622-6125-58-2 4LS136365-2 6-Bolt 3.622 6.125 2.100 46 58-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4000-6125-24-2 4LS140062-2 6-Bolt 4.000 6.125 2.100 48 24-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4000-6125-58-2 4LS140065-2 6-Bolt 4.000 6.125 2.100 48 58-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4125-6125-24-2 4LS141262-2 6-Bolt 4.125 6.125 2.100 50 24-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4125-6125-58-2 4LS141265-2 6-Bolt 4.125 6.125 2.100 50 58-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4250-6125-24-2 4LS142562-2 6-Bolt 4.250 6.125 2.100 52 24-Tooth Reluctor Wheel NEW
LS 6-BOLT FORGED 4340 PRO SERIES LIGHTWEIGHT 4-LS1-4250-6125-58-2 4LS142565-2 6-Bolt 4.250 6.125 2.100 52 58-Tooth Reluctor Wheel NEW
CHEVY 409 - 2 PC REAR SEAL 4-409-4000-6135 440910 409 2-Piece Rear Seal 4.000 6.135 2.200 68 External Balance NEW
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6135 445410 454 2-Piece Rear Seal 4.000 6.135 2.200 68 External Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6385 445415 454 2-Piece Rear Seal 4.000 6.385 2.200 70 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6135 445420 454 2-Piece Rear Seal 4.250 6.135 2.200 68 External Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6385 445425 454 2-Piece Rear Seal 4.250 6.385 2.200 70 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385 445426 454 2-Piece Rear Seal 4.375 6.385 2.200 66 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-2 445426-2 454 2-Piece Rear Seal 4.375 6.385 2.200 66 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-3 445426-3 454 2-Piece Rear Seal 4.375 6.385 2.200 66 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4500-6535 445430 454 2-Piece Rear Seal 4.500 6.535 2.200 72 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4750-6700 445440 454 2-Piece Rear Seal 4.750 6.700 2.200 68 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 1 PC REAR SEAL 4-454-4000-6135-L 445410L 454 1-Piece Rear Seal 4.000 6.135 2.200 70 External Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 1 PC REAR SEAL 4-454-4250-6135-L 445420L 454 1-Piece Rear Seal 4.250 6.135 2.200 70 External Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 1 PC REAR SEAL 4-454-4250-6385-L 445425L 454 1-Piece Rear Seal 4.250 6.385 2.200 71 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 1 PC REAR SEAL 4-454-4500-6535-L 445430L 454 1-Piece Rear Seal 4.500 6.535 2.200 72 Internal Balance
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-3766-6135-C 445405C 2-Pc 454 W/Center CWT’s 3.766 6.135 2.200 72 Internal Balance NEW
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6385-C 445415C 2-Pc 454 W/Center CWT’s 4.000 6.385 2.200 74 Internal Balance NEW
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6385-C 445425C 2-Pc 454 W/Center CWT’s 4.250 6.385 2.200 74 Internal Balance NEW
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-C 445426C 2-Pc 454 W/Center CWT’s 4.375 6.385 2.200 74 Internal Balance NEW
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4500-6535-C 445430C 2-Pc 454 W/Center CWT’s 4.500 6.535 2.200 75 Internal Balance NEW
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4750-6700-C 445440C 2-Pc 454 W/Center CWT’s 4.750 6.700 2.200 76 Internal Balance NEW



*Weights (lbs) are approximate, actuals may vary
480

Features & Benefits

For serious racers that want the ultimate lightweight crankshaft, on a budget. The SCAT F-43 is the way to go.

  • Gun drilled main line
  • Lightening holes in all journals
  • Aero-wing counterweights
  • Exclusive pendulum undercut CWT’s
  • Straight shot & chamfered oil holes
  • Precision ground, heat treated & nitrided
  • Lightening holes & large radii on all journals
 

CHEVY F-43 LIGHTWEIGHT CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech Notes
CHEVY F-43 4-350-3335-5700-20LW 435011LW 350 2-Pc Rear Seal 3.335 5.700 2.000 42-43 Internal Balance
CHEVY F-43 4-350-3480-5700-18LW 435020LW 350 2-Pc Rear Seal 3.480 5.700 1.888 42-43 Internal Balance
CHEVY F-43 4-350-3480-5700-20LW 435021LW 350 2-Pc Rear Seal 3.480 5.700 2.000 43-44 Internal Balance
CHEVY F-43 4-350-3480-5700-21LW 435022LW 350 2-Pc Rear Seal 3.480 5.700 2.100 44-45 Internal Balance
CHEVY F-43 4-350-3500-5700-18LW 435030LW 350 2-Pc Rear Seal 3.500 5.700 1.888 40-41 Internal Balance
CHEVY F-43 4-350-3500-5700-20LW 435031LW 350 2-Pc Rear Seal 3.500 5.700 2.000 43-44 Internal Balance
CHEVY F-43 4-350-3500-5700-21LW 435032LW 350 2-Pc Rear Seal 3.500 5.700 2.100 44-45 Internal Balance
CHEVY F-43 4-350-3562-5850-20LW 435041LW 350 2-Pc Rear Seal 3.562 5.850 2.000 43-44 Internal Balance
CHEVY F-43 4-350-3562-5850-20LW 435041LW 350 2-Pc Rear Seal 3.562 5.850 2.000 43-44 Internal Balance
CHEVY F-43 4-350-3625-5850-20LW 435051LW 350 2-Pc Rear Seal 3.625 5.850 2.000 43-44 Internal Balance
CHEVY F-43 4-350-3750-6000-20LW 435061LW 350 2-Pc Rear Seal 3.750 6.000 2.000 44-45 Internal Balance
CHEVY F-43 4-350-3750-6000-21LW 435062LW 350 2-Pc Rear Seal 3.750 6.000 2.100 45-46 Internal Balance
CHEVY F-43 4-350-3875-6000-20LW 435065LW 350 2-Pc Rear Seal 3.875 6.000 2.000 45-47 Internal Balance
CHEVY F-43 4-350-4000-6000-21LW 435072LW 350 2-Pc Rear Seal 4.000 6.000 2.100 45-47 Internal Balance
CHEVY F-43 4-400-4000-6000-21LW 440072LW 400 2-Pc Rear Seal 4.000 6.000 2.100 47-48 Internal Balance



*Weights (lbs) are approximate, actuals may vary
489

Features & Benefits

Manufactured From Non-Twist Single Plane 4340 Forgings

  • Straight Shot & Chamfered Oil Holes
  • Large Radius on All Journals
  • Lightening Holes in All Rod Journals
  • Aero Wing Counterweights
  • Precision Ground, Heat Treated and Nitrided for Superior Wear Resistance
  • All popular engines, strokes and rod sizes
 

CHEVY PRO SERIES LIGHTWEIGHT CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech Notes
350 MAIN - 2 PC REAR SEAL 77-350-3500-570-2-18 773502018 350 2-Pc Rear Seal 3.500 5.700 1.888 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3500-570-2-20 773502020 350 2-Pc Rear Seal 3.500 5.700 2.000 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3500-570-2 773502021 350 2-Pc Rear Seal 3.500 5.700 2.100 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3750-600-2-20 773505620 350 2-Pc Rear Seal 3.750 6.000 2.000 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3750-600-2 773505621 350 2-Pc Rear Seal 3.750 6.000 2.100 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3800-585-2-18 773505418 350 2-Pc Rear Seal 3.800 5.850 1.888 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3800-585-2-20 773505420 350 2-Pc Rear Seal 3.800 5.850 2.000 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3875-600-2-20 773507620 350 2-Pc Rear Seal 3.875 6.000 2.000 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-3875-600-2 773507621 350 2-Pc Rear Seal 3.875 6.000 2.100 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-4000-600-2-20 773508620 350 2-Pc Rear Seal 4.000 6.000 2.000 Internal Balance
350 MAIN - 2 PC REAR SEAL 77-350-4000-600-2 773508621 350 2-Pc Rear Seal 4.000 6.000 2.100 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-3750-600-2 774005621 400 2-Pc Rear Seal 3.750 6.000 2.100 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-3800-585-2-18 774005418 400 2-Pc Rear Seal 3.800 5.850 1.888 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-3800-585-2-20 774005420 400 2-Pc Rear Seal 3.800 5.850 2.000 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-3875-600-2-20 774007620 400 2-Pc Rear Seal 3.875 5.850 2.000 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-3875-600-2 774007621 400 2-Pc Rear Seal 3.875 6.000 2.100 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-4000-6000-2-20 774008620 400 2-Pc Rear Seal 4.000 6.000 2.000 Internal Balance
400 MAIN - 2 PC REAR SEAL 77-400-4000-600-2 774008621 400 2-Pc Rear Seal 4.000 6.000 2.100 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-2-18 435018-2 350 2-Pc Rear Seal 3.480 5.700 1.888 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-2-2” 435012-2 350 2-Pc Rear Seal 3.480 5.700 2.000 45 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-2 435010-2 350 2-Pc Rear Seal 3.480 5.700 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-2-18 435028-2 350 2-Pc Rear Seal 3.500 5.700 1.888 45 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-2-2” 435022-2 350 2-Pc Rear Seal 3.500 5.700 2.000 45 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-2 435020-2 350 2-Pc Rear Seal 3.500 5.700 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3562-5700-2-2” 435032-2 350 2-Pc Rear Seal 3.562 5.700 2.000 46 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3562-5700-2 435030-2 350 2-Pc Rear Seal 3.562 5.700 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3625-5700-2 435050-2 350 2-Pc Rear Seal 3.625 5.700 2.100 46 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-5700-2-2” 435052-2 350 2-Pc Rear Seal 3.750 5.700 2.000 46 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-5700-2 435050-2 350 2-Pc Rear Seal 3.750 5.700 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-6000-2-2” 435057-2 350 2-Pc Rear Seal 3.750 6.000 2.000 47 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-6000-2 435056-2 350 2-Pc Rear Seal 3.750 6.000 2.100 48 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-2-18 435068-2 350 2-Pc Rear Seal 3.800 6.000 1.888 47 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-2-2” 435062-2 350 2-Pc Rear Seal 3.800 6.000 2.000 47 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-2 435060-2 350 2-Pc Rear Seal 3.800 6.000 2.100 48 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3875-6000-2-2” 435077-2 350 2-Pc Rear Seal 3.875 6.000 2.000 47 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3875-6000-2 435076-2 350 2-Pc Rear Seal 3.875 6.000 2.100 48 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-4000-6000-2-2” 435087-2 350 2-Pc Rear Seal 4.000 6.000 2.000 48 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-4000-6000-2 435086-2 350 2-Pc Rear Seal 4.000 6.000 2.100 48 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3500-6000-2 440026-2 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3500-6000-2 440026-2 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3750-6000-2 440056-2 400 2-Pc Rear Seal 3.750 6.000 2.100 50 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3800-6000-2-18 440068-2 400 2-Pc Rear Seal 3.800 6.000 1.888 49 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3800-6000-2-2” 440067-2 400 2-Pc Rear Seal 3.800 6.000 2.000 49 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3800-6000-2 440066-2 400 2-Pc Rear Seal 3.800 6.000 2.100 50 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3875-6000-2-2” 440077-2 400 2-Pc Rear Seal 3.875 6.000 2.000 49 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-3875-6000-2 440076-2 400 2-Pc Rear Seal 3.875 6.000 2.100 50 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-4000-6000-2-2” 440087-2 400 2-Pc Rear Seal 4.000 6.000 2.000 50 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL - EARLY 4-400-4000-6000-2 440086-2 400 2-Pc Rear Seal 4.000 6.000 2.100 50 Internal Balance
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3480-5700-L-2-2” 435012L-2 350 1-Pc Rear Seal 3.480 5.700 2.000 47 Internal Balance
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3480-5700-L-2 435010L-2 350 1-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance NEW
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3500-5700-L-2-2” 435022L-2 350 1-Pc Rear Seal 3.500 5.700 2.000 47 Internal Balance
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3750-5700-L-2-2” 435052L-2 350 1-Pc Rear Seal 3.750 5.700 2.000 48 Int Front, Ext Rear Bal NEW
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3750-5700-L-2 435050L-2 350 1-Pc Rear Seal 3.750 5.700 2.100 48 Int Front, Ext Rear Bal NEW
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3800-5700-L-2-2” 435062L-2 350 1-Pc Rear Seal 3.800 5.700 2.000 50 Int Front, Ext Rear Bal
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3800-6000-L-2 435066L-2 350 1-Pc Rear Seal 3.800 6.000 2.100 52 Internal Balance NEW
350 MAIN - 1 PC REAR SEAL - LATE 4-350-3875-6000-L-2 435076L-3 350 1-Pc Rear Seal 3.875 6.000 2.100 52 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT - 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6385-2 445415-2 454 2-Piece Rear Seal 4.000 6.385 2.200 62 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT - 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6385-2 445425-2 454 2-Piece Rear Seal 4.250 6.385 2.200 63 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT - 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-2 445426-2 454 2-Piece Rear Seal 4.375 6.385 2.200 63 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT - 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4500-6535-2 445430-2 454 2-Piece Rear Seal 4.500 6.535 2.200 67 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT - 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4750-6700-2 445440-2 454 2-Piece Rear Seal 4.750 6.700 2.200 65 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6385-3 445415-3 454 2-Piece Rear Seal 4.000 6.385 2.200 59 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6385-3 445425-3 454 2-Piece Rear Seal 4.250 6.385 2.200 60 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-3 445426-2 454 2-Piece Rear Seal 4.375 6.385 2.200 63 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4500-6535-3 445430-3 454 2-Piece Rear Seal 4.500 6.535 2.200 60 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4750-6700-3 445440-3 454 2-Piece Rear Seal 4.750 6.750 2.200 58 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-3766-6135-C-2 445405C-2 3.766 6.135 2.200 66 Internal Balance NEW
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-4000-6385-C-2 445415C-2 4.000 6.385 2.200 66 Internal Balance NEW
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-4250-6385-C-2 445425C-2 4.250 6.385 2.200 67 Internal Balance NEW
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-4375-6385-C-2 445426C-2 4.375 6.385 2.200 68 Internal Balance NEW
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-4500-6535-C-2 445430C-2 4.500 6.535 2.200 71 Internal Balance NEW
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS 4-454-4750-6700-C-2 445440C-2 4.750 6.700 2.200 72 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-3766-6135-C-3 445405C-3 3.766 6.135 2.200 61 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4000-6385-C-3 445415C-3 4.000 6.385 2.200 62 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4250-6385-C-3 445425C-3 4.250 6.385 2.200 64 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4375-6385-C-3 445426C-3 4.375 6.385 2.200 65 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4500-6535-C-3 445430C-3 4.500 6.535 2.200 65 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4750-6700-C-3 44544-C-3 4.750 6.700 2.200 68 Internal Balance NEW



*Weights (lbs) are approximate, actuals may vary
494

Features & Benefits

Designed to replace factory crankshafts or for spec. Class racing use. Competitively priced for a stock to mildly built engine.

  • Straight Shot & Chamfered Oil Holes
  • Large Radius on All Journals
  • Lightening Holes in All Rod Journals
  • Aero Wing Counterweights
  • Pendulum Undercut Counterweights
  • Bridged for Increased Strength
  • Precision Ground, Heat Treated and Nitrided for Superior Wear Resistance
  • All popular engines, strokes and rod sizes
 

CHEVY SUPERLIGHT SERIES CRANKSHAFTS

Part No.Short No.DescriptionStrokeRod LengthRod PinWeight*Tech Notes
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3350-5700-3-18 435008-3 350 2-Pc Rear Seal 3.500 5.700 1.888 43 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3350-5700-3-2” 435007-3 350 2-Pc Rear Seal 3.350 5.700 2.000 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-3-18 435018-3 350 2-Pc Rear Seal 3.480 5.700 1.888 43 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-3-2” 435012-3 350 2-Pc Rear Seal 3.480 5.700 2.000 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-3-18 435028-3 350 2-Pc Rear Seal 3.500 5.700 1.888 43 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-3-2” 435022-3 350 2-Pc Rear Seal 3.500 5.700 2.000 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3562-5700-3-2” 435032-3 350 2-Pc Rear Seal 3.562 5.700 2.000 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3480-5700-3 435010-3 350 2-Pc Rear Seal 3.480 5.700 2.100 44 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3500-5700-3 435020-3 350 2-Pc Rear Seal 3.500 5.700 2.100 44 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3562-5700-3 435030-3 350 2-Pc Rear Seal 3.562 5.700 2.100 44 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-5700-3-2” 435052-3 350 2-Pc Rear Seal 3.750 5.700 2.000 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-5700-3 435050-3 350 2-Pc Rear Seal 3.750 5.700 2.100 44 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3750-6000-3 435056-3 350 2-Pc Rear Seal 3.750 6.000 2.100 45 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-3-18 435068-3 350 2-Pc Rear Seal 3.800 6.000 1.888 44 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-3-2” 435062-3 350 2-Pc Rear Seal 3.800 6.000 2.000 45 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3800-6000-3 435060-3 350 2-Pc Rear Seal 3.800 6.000 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-4000-6000-3-2” 435077-3 350 2-Pc Rear Seal 3.875 6.000 2.000 45 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-3875-6000-3 435076-3 350 2-Pc Rear Seal 3.875 6.000 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-4000-6000-3-2” 435087-3 350 2-Pc Rear Seal 4.000 6.000 2.000 46 Internal Balance NEW
350 MAIN - 2 PC REAR SEAL - EARLY 4-350-4000-6000-3 435086-3 350 2-Pc Rear Seal 4.000 6.000 2.100 47 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3500-6000-3 440026-3 400 2-Pc Rear Seal 3.500 6.000 2.100 47 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3750-5700-3 440050-3 400 2-Pc Rear Seal 3.750 5.700 2.100 46 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3750-6000-3 440056-3 400 2-Pc Rear Seal 3.750 6.000 2.100 47 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3800-6000-3-18 440068-3 400 2-Pc Rear Seal 3.800 6.000 1.888 46 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL 4-400-3800-6000-3-2” 440067-3 400 2-Pc Rear Seal 3.800 6.000 2.000 47 Internal Balance NEW
400 MAIN - 2 PC REAR SEAL 4-400-3800-6000-3 440066-3 400 2-Pc Rear Seal 3.800 6.000 2.100 48 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-3875-6000-3 440076-2 400 2-Pc Rear Seal 3.875 6.000 2.100 48 Internal Balance
400 MAIN - 2 PC REAR SEAL 4-400-4000-6000-3 440086-3 400 2-Pc Rear Seal 4.000 6.000 2.100 49 Internal Balance
350 MAIN - 2 PC REAR SEAL - LATE 4-350-3480-5700-L-3 435010L-3 350 1-Pc Rear Seal 3.480 5.700 2.100 46 Internal Balance
350 MAIN - 2 PC REAR SEAL - LATE 4-350-3750-5700-L-3 435050L-3 350 1-Pc Rear Seal 3.750 5.700 2.100 46 Int Front External Rear Balance
350 MAIN - 2 PC REAR SEAL - LATE 4-350-3800-5700-L-3 435060L-3 350 1-Pc Rear Seal 3.800 5.700 2.100 46 Int Front External Rear Balance
350 MAIN - 2 PC REAR SEAL - LATE 4-350-3800-6000-L-3 435066L-3 350 1-Pc Rear Seal 3.800 6.000 2.100 47 Internal Balance
350 MAIN - 2 PC REAR SEAL - LATE 4-350-3875-6000-L-3 435076L-3 350 1-Pc Rear Seal 3.875 6.000 2.100 47 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4000-6385-3 445415-3 454 2-Piece Rear Seal 4.000 6.385 2.200 59 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4250-6385-3 445425-3 454 2-Piece Rear Seal 4.250 6.385 2.200 60 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4375-6385-3 445426-2 454 2-Piece Rear Seal 4.375 6.385 2.200 63 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4500-6535-3 445430-3 454 2-Piece Rear Seal 4.500 6.535 2.200 60 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT - 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL 4-454-4750-6700-3 445440-3 454 2-Piece Rear Seal 4.750 6.750 2.200 58 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-3766-6135-C-3 445405C-3 3.766 6.135 2.200 61 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4000-6385-C-3 445415C-3 4.000 6.385 2.200 62 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4250-6385-C-3 445425C-3 4.250 6.385 2.200 64 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4375-6385-C-3 445426C-3 4.375 6.385 2.200 65 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4500-6535-C-3 445430C-3 4.500 6.535 2.200 65 Internal Balance NEW
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS 4-454-4750-6700-C-3 44544-C-3 4.750 6.700 2.200 68 Internal Balance NEW



*Weights (lbs) are approximate, actuals may vary