Availability
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1
Part Number: SUM-180LS362224X
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APP-31V-AS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Long Snout, Chevy, Small Block, LS7, Each
Part Number: CPI-AWO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3
Part Number: SUM-180LS400058X
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APU-31V-AS
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.465 in. / 88 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each
Part Number: CPI-S23013
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each
Part Number: CPI-S23015
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
MAGNUM GEN 5 LT1 6 BOLT 4.100 STROKE 2.100 ROD
Part Number: CPI-AU-31W-MG
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
CALLIES 8 BOLT HEMI ULTRA BILLET 4.500/2.747/2.374
Part Number: CPI-F1Q-P7-UB
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
CALLIES 8 BOLT HEMI ULTRA BILLET 4.500/2.747/2.374
Part Number: CPI-F1Q-PY-UB
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
CALLIES LS CRANK 4.000/2.559/2.100 8 CTWT, 6 BOLT, WET SUMP WITH LT DIAMETER
Part Number: CPI-ATO-31W-MG
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
CALLIES LS 8 BOLT FLANGE ULTRA BOOST CRANK 4.250 2.559 2.100
Part Number: CPI-5PP-31-UB
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3
Part Number: SUM-180LS362258X
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft 4-LS7-4125-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.125 Stroke 6.125 Length 2.100 Jou
Part Number: SCA-4LS741265
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crankshaft, LS1 S-Series, Pro Stock, 6-Bolt, 4340 Forged Steel, 1-Piece Rear Main, Internal, Narrow Bearing, 4/4.125 in. Stroke, 6.125 in. Rod, Each
Part Number: SCA-4LS136365
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crankshaft 4-LS7-4000-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou
Part Number: SCA-4LS740062
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crankshaft 4-LS7-4000-6125-58, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.000 Stroke 6.125 Length 2.100 Jou
Part Number: SCA-4LS740065
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crankshaft 4-LS7-4125-6125-24, Chevy LS7 Crankshaft 4340 Pro Street 6-Bolt 4.125 Stroke 6.125 Length 2.100 Jou
Part Number: SCA-4LS741262
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout, Each
Part Number: CPI-APO-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Post. Includes 24-tooth GM Reluctor, Ea.
Part Number: CPI-APO31Q-CS24
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
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