Crankshafts

Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

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SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3404000

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190140

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 350 Mains, Chevy, 5.7, Each

Part Number: MAN-190190

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190130

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Estimated Ship Date: Jan 6, 2026 if ordered today

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SBF 351 Windsor 4340 Forged steel crank, 4.000 in. stroke, 6.200 rod, Nitride Hardened, Internal Balance, Req. Narrowed Rod bearings

Part Number: SUM-SBF351W4000I

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

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Estimated Ship Date: Jan 7, 2026 if ordered today

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CRANKSHAFT

Part Number: BTC-S0391

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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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

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Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 4.000" stroke, 49-51 lb. total weight, 2.100" rod journal, two piece rear main seal

Part Number: MAN-190130NB

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANKSHAFT

Part Number: MAN-190150NB

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Wiseco Crankshaft Kit Plrs. RZR800 11-14

Part Number: WIS-WPC223B

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Estimated Ship Date: Dec 29, 2025 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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Estimated Ship Date: Jan 6, 2026 if ordered today

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CRANK-FORGED 88mm STROKE

Part Number: MAN-190100

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Crankshafts, CRANKSHAFT-4340 SBC 350 3.875

Part Number: MAN-190480

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Crankshafts, CRANKSHAFT-4340 SBC 350 3.875

Part Number: MAN-190480NB

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Wiseco Crankshaft Kit Plrs. RZR800 08-10

Part Number: WIS-WPC223A

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Estimated Ship Date: Dec 29, 2025 if ordered today

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