Availability
Crankshafts
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Internal Balance, Forged 4340 Steel, 4.17 in. Stroke, Ford, 351, Windsor, SVO, Each
Part Number: ESP-435241706200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 400, Each
Part Number: ESP-104003750
Estimated Ship Date: Dec 22, 2026 if ordered today
Estimated Ship Date: Dec 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, 454, Each
Part Number: ESP-445443756385
Not Yet Reviewed
Estimated Ship Date: Dec 21, 2026 if ordered today
Estimated Ship Date: Dec 21, 2026 if ordered today
Crankshaft, Forged 4340 Steel, Std. Weight, 3.875 in. Stroke, Chevy, 350, 2-Piece Seal, Internal Balance, Each
Part Number: SCA-435076
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SCA-910400
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Chrysler, 360, Each
Part Number: SCA-936020
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.80 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, 8 CTWT, Mopar, Hemi, Gen III, Each
Part Number: CPI-YYK-E1Q-CS
Not Yet Reviewed
Estimated Ship Date: May 26, 2027 if ordered today
Estimated Ship Date: May 26, 2027 if ordered today
Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS400058
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-9103750
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-9-103750L
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, External Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Cleveland Mains, Each
Part Number: SCA-4351C46
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
CRANKSHAFT
Part Number: ESP-430228705090
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2026 if ordered today
Estimated Ship Date: Dec 22, 2026 if ordered today
Crankshaft, 1-Piece Seal, Internal/External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 5.7L, Each
Part Number: ESP-10352375057E
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Crankshaft Kit 68-85 BUI/CAD/CHV/GMC/OLD/PON 5.7L
Part Number: EGN-123900
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAF113-CM
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Crankshaft Kit 74-03 CHR/DOD/JEP/PLY 5.9L
Part Number: EGN-130600
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2026 if ordered today
Estimated Ship Date: Nov 25, 2026 if ordered today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each
Part Number: MAN-190310
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, GM Genuine Part, Nodular Iron, Internal Balance, One-piece Rear Main Seal, Buick, Chevy,1.2/1.3L, Each
Part Number: ADO-25203539
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Series 9000 Cast Lightweight Stroker, 4.250 in. Stroke, Internal Balance, Ford, Big Block FE, Each
Part Number: SCA-9FE200
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 Pin, Chevrolet, Each
Part Number: CPI-BBS425-CS
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Crankshaft Kit 77-90 BUI/CAD/CHV/OLD/PON 4.3L/5.0L/5.7L
Part Number: EGN-202450
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2026 if ordered today
Estimated Ship Date: Nov 25, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster