Engines & Components

Pulleys, Sport Track, Serpentine, Performance Ratio, Billet Aluminum, Black Brackets, with P/S, with A/C, Chevy, Small Block, Long, Kit

Part Number: MCH-21690-08

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Cast Aluminum Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402E030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Internal/External Balance, 1-Piece Seal, Each

Part Number: HRS-H454256321T

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Crankshaft, Cast Steel, 4.250 in. Stroke, 2.00 in. Rod Journal, Ford, Flathead, Internal Balance, Each

Part Number: SCA-923930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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FLATHEAD FORD

Part Number: SCA-923940

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4426010

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Estimated Ship Date: Dec 15, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4426011

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Forged 4340 Standard Weight

Part Number: SCA-4426013

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Forged 4340 Standard Weight

Part Number: SCA-4426015

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Forged 4340 Standard Weight

Part Number: SCA-4426018

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.50 in. Stroke, 6.760 Rod, Mopar, 426 Hemi, Each

Part Number: SCA-4426020

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 440, Each

Part Number: SCA-444010

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Estimated Ship Date: Dec 15, 2025 if ordered today

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440 CHRYSLER, STD WEIGHT CHRYSLER

Part Number: SCA-444014

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Ford, Big Block FE, Each

Part Number: SCA-4FE100

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Estimated Ship Date: Dec 15, 2025 if ordered today

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HEMI CHRYSLER, STD WEIGHT CHRYSLER

Part Number: SCA-4HEMI37910

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Crankshaft, Chevy LS1 4-LS1-3622-

Part Number: SCA-4LS136226125

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140062

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140062-S

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140065

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each

Part Number: SCA-4LS140065-S

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Estimated Ship Date: Dec 15, 2025 if ordered today

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4340 Pro Stock

Part Number: SCA-4LS141282

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141282-C

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4340 Pro Stock

Part Number: SCA-4LS141285

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141285-C

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Crankshaft 4-LS7-4000-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou

Part Number: SCA-4LS740062

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