Availability
Crankshafts
Gen. V BB Chevy Forged Steel Crank, 4.250 stroke, One Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened Rod Journals, Nitride, 6.385 in. Rod
Part Number: SUM-BBC425063852
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, Forged 4340 Steel, Std. Weight, 3.75 in. Stroke, Chevy, 350, 2-Piece Seal, Internal Balance, Each
Part Number: SCA-435050
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-350-3750-6000
Estimated Ship Date: Monday 3/30/2026
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each
Part Number: ESP-434736226100
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4140 Steel, 3.750 in. Stroke, Chevy, 5.7L, Stroker, Each
Part Number: ESP-535037505700
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
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
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: ESP-435040006000
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each
Part Number: SCA-43022
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each
Part Number: ESP-445442526385
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, One-piece Seal, Internal Balance, Forged 4140 Steel, 3.622 in. Stroke, 6.100 in. Rod Length, Chevrolet, Small Block LS, Each
Part Number: ESP-534636226100
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, Magnum, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 4.500 in. Stroke, Standard Snout, Chevrolet, 7.4L, Each
Part Number: CPI-BBQ42B-MG
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each
Part Number: SCA-445425
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
SB Chevy Forged Steel Crank, 3.750 Stroke, 1967-86 Blocks with 2-pc. RMS, Lightened, Nitride, Lightened and Bullnosed, Designed for 6.000 in. Rod
Part Number: SUM-SBC35037502P
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
BB Ford 460 Forged Steel crank, 4.500 Stroke, Designed for 6.700 in. Rod, Nitride Hardened, Straight Shot oiling, Req's narrowed Rod Bearings
Part Number: SUM-BBF460450022
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
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: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each
Part Number: ESP-4350350057FW
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-435056
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-350-3750-6000
Estimated Ship Date: Monday 3/30/2026
Crankshaft, Internal Balance, Forged 4140 Steel, 3.625 in. Stroke, Buick, 3.8L, Each
Part Number: ESP-523136255967
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBS42B-MG
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each
Part Number: SCA-445425C
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
MODEL 'T' REPLACEMENT 1908-1927
Part Number: SCA-7T4000
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, SVO, Each
Part Number: ESP-435240006200
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal, Steel, 3.480 in. Stroke, 1.245 in. Dia. Std. Snout, 1.9 Rod Journal Width, 2.431 in. Rear Seal, Chevy, 350, Each
Part Number: ESP-4350348057LA
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.000 in. Pin, Chevy, 350
Part Number: CPI-SAF143-CM
Not Yet Reviewed
Estimated Ship Date: Jun 24, 2026 if ordered today
Estimated Ship Date: Jun 24, 2026 if ordered today
CRANK-4340 FORGE 4.050 STROKE
Part Number: MAN-191858
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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