Engines & Components

FORGED CRANKSHAFTS

Part Number: SCA-774003760

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-43012

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-43013

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-430510-1

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-430520-1

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4351C26

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Engine Crankshaft, Chevy LS1 4-LS1-4000-

Part Number: SCA-4LS140006125

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS14125

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141262-S

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Estimated Ship Date: Nov 17, 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: Nov 17, 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: Nov 17, 2025 if ordered today

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Crankshaft, LS1 S-Series, Pro Stock, 6-Bolt, 4340 Forged Steel, 1-Piece Rear Main, Internal, Narrow Bearing, 4/4.125 in. Stroke, 6.125 in. Rod, Each

Part Number: SCA-4LS136365

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Estimated Ship Date: Nov 17, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4LS141265-S

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aFe POWER Direct Fit 409 Stainless Steel Catalytic Converter GM Trucks/SUV's 99-07 V6-4.3L/V8-4.8/5.3L (GMT800)

Part Number: AFE-47-44001

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Cylinder Head, Bare, Cast Iron, 118cc Combustion Chamber, Chevy, Big Block, 454/502, Each

Part Number: NAL-12562925

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: ESP-435035005700

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CHEVY LS1 4340 CRANK

Part Number: ESP-434642506560

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Estimated Ship Date: Sep 24, 2025 if ordered today

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SBC CYLINDER HEAD 200CC 72CC

Part Number: PMX-92012A

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Estimated Ship Date: Oct 8, 2025 if ordered today

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CYLINDER HEADS

Part Number: PMX-FOR852NB

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Estimated Ship Date: Oct 8, 2025 if ordered today

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CYLINDER HEAD

Part Number: PMX-2115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 8, 2025 if ordered today

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CYLINDER HEAD CUMMINS DIESEL

Part Number: PMX-CHR418N

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Estimated Ship Date: Oct 8, 2025 if ordered today

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CYLINDER HEAD CASITNG ONLY

Part Number: PMX-FOR850NB

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Estimated Ship Date: Oct 8, 2025 if ordered today

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BARE CYLINDER HEAD

Part Number: PMX-FOR851NB

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9185S

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Head, Sportsman II, Cast Iron, Assembled, 72cc Chamber, 200cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-012250-1

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Estimated Ship Date: Oct 1, 2025 if ordered today

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