CHEVROLET Engines & Components

Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063851

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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SB Chevy Forged Steel crankshaft, 4.000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, 6.000 in. Rod

Part Number: SUM-SBC4004000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Accessory Drive Systems, Mid-mount, Serpentine, Alternator, Cast Aluminum, Black, 150 amp, Single Wire, Pulley, 6-groove, Chevy, 6.2L, Gen V,LT4, Kit

Part Number: HLY-20-224BK

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC315

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Estimated Ship Date: Dec 29, 2025 if ordered today

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