Engine Crankshafts

4340 Forged Pro Series Lightweight

Part Number: SCA-445415C-2

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Estimated Ship Date: May 27, 2026 if ordered today

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Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 3.480" stroke, 48-50 lb. total weight, 2.100" rod journal, two piece rear main seal

Part Number: MAN-190310NB

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Crankshaft, Compstar, Sport Series, Knife Edged, Billet 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each

Part Number: CPI-S23007

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Crankshaft, Ultra Billet, 4330V Steel, 3.874 in. / 98.4 mm Stroke, 2.200 Rod Journal,Internal Balance, Nissan, GT-R, Each

Part Number: CPI-VI50NI-UL

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBG42B-MG

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.350 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435011LW

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GER-62L-CS

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4340 Forged Pro Series Big Block Post

Part Number: SCA-773502021

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4340 Forged Pro Series Lightweight

Part Number: SCA-445425C-2

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Crankshaft, Counter Weighted, 74mm Stroke, Forged 4140 Steel, Volkswagen, Each

Part Number: VWP-00-8121-0

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4340 Forged Pro Series Lightweight

Part Number: SCA-445440C-2

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMP21A-MG

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445545006800

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Estimated Ship Date: May 11, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each

Part Number: SCA-435012-3

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Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 4.200 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each

Part Number: CPI-YY12E48-CS

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Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each

Part Number: CPI-5UJ31Q-CS

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454 2-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-445440-2

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 2.901 in. / 73.7 mm Stroke, Internal Balance, Nissan, RB26DETT, Each

Part Number: CPI-S25005

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.413 in. / 86.7 mm Stroke, Ford, EcoBoost, 1.6L, Each

Part Number: CPI-S24002

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.573 in. / 90.77 mm Stroke, for use on Honda®, K Series, Each

Part Number: CPI-S22003

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4340 Forged Pro Series

Part Number: SCA-435022-2

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Forged 4340 Standard Weight

Part Number: SCA-4426010

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-435050-3

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.465 in. Stroke, Mitsubishi, 2.0L, Each

Part Number: ESP-2034655900A6

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542106625

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Estimated Ship Date: May 11, 2026 if ordered today

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