Engine Crankshafts

Gen. 1.5 LT1 Forged Steel Crankshaft, 3.750 stroke, 5.700 Rod, Lightened, bull-nose counterweights, Nitride Hardened, 1 piece rear main seal

Part Number: SUM-SBCLT37501P

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Estimated Ship Date: Monday 12/8/2025

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SB Mopar 360 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3603580

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Estimated Ship Date: Monday 12/8/2025

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SB Mopar 360 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-MOP3604000

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Estimated Ship Date: Monday 12/8/2025

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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 12/8/2025

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SB Ford Windsor 4340 Forged Steel crank, 3.400 stroke, 5.400 in. Rod, 28 oz. Balancer , Req's Narrowed Rod Bearings, one or two piece rear seal

Part Number: SUM-SBF3023400

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003750

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Estimated Ship Date: Monday 12/8/2025

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Duramax Crank And Cam Key, Set

Part Number: SUM-161002

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Estimated Ship Date: Monday 12/8/2025

Summit 4340 Forged Crankshaft, SBF Windsor, 3.000 in Stroke, 28 oz. Balancer, Narrowed Rod Bearings, 1.375 Pilot Bearing, Designed for 5.090 in. Rod

Part Number: SUM-SBF3023000E

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Estimated Ship Date: Monday 12/8/2025

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BB Ford 460 Forged Steel crank, 4.150 Stroke, Designed for 6.700 in. Rod, Nitride Hardened, Straight Shot oiling, Req's narrowed Rod Bearings

Part Number: SUM-BBF460415067

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Estimated Ship Date: Monday 12/8/2025

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Crankshaft Key, Short, 0 degree Offset, Steel, Natural, Each

Part Number: JRC-486-222698S

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Estimated Ship Date: Monday 12/8/2025

SB Chevy Forged Steel crankshaft, 3.875 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003875

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Estimated Ship Date: Monday 12/8/2025

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Duramax Cam Key, Each

Part Number: SUM-161003

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Counter Balance Plate, Steel, Chevy, Small Block 400, Each

Part Number: RAU-399-100

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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SB Windsor 4340 Forged crank, 3.000 in. stroke, 5.400 in. Rod, Internally Balanced, Req's Narrowed Rod Bearings, one or two piece rear main seal

Part Number: SUM-SBF3023000I

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Estimated Ship Date: Monday 12/8/2025

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SB Mopar 340 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP34033106

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Estimated Ship Date: Monday 12/8/2025

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Chevy Gen. 5 LT, 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LT400058

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Estimated Ship Date: Monday 12/8/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each

Part Number: SUM-SBC35040002P

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Estimated Ship Date: Monday 12/8/2025

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CRANKSHAFT

Part Number: BTC-S0391

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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BTR CRANKSHAFT KEY FOR BTR LS CRANKSHAFTS

Part Number: BTC-BTR-CK2720

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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563 ZR STD CRANK ( 3.000 )

Part Number: JRC-700-1025

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Estimated Ship Date: Dec 26, 2025 if ordered today

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400 CRANK ( 2.837 )

Part Number: JRC-700-2000

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Estimated Ship Date: Dec 26, 2025 if ordered today

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3 STROKE 1 JRNL TITAN CRANK GEN 2

Part Number: JRC-TNP-3004

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Estimated Ship Date: Dec 26, 2025 if ordered today

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3.062 STROKE TITAN CRANK GEN 2

Part Number: JRC-TNP-3004-16

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

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Estimated Ship Date: Monday 12/8/2025

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Crankshaft, Forged 4130 Steel, 92.7mm Stroke, Internal Balance, MR3E, Ford, Modular V8, Each

Part Number: FMS-M-6303-M50B

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Estimated Ship Date: Monday 12/8/2025

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