Availability
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, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBP425-CS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each
Part Number: CPI-BBQ425-CS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, Compstar 8 CTWT, 1-Piece Seal, Forged 4340 Steel, 4.080 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi Gen III, Each
Part Number: CPI-YYA-E1Q-CS
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: 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 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, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS, 58X Reluctor, Each
Part Number: CPI-APU31QCS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Counterweight, Chevy, Small Block, Gen V, Each
Part Number: CPI-5TO-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 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
Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-IBP425-CS
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
COMPSTAR LS 8 CTWT CRANK 4.000/2.559/2.100 DRY SUMP
Part Number: CPI-5UO-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered 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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 4.200 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each
Part Number: CPI-YY12E48-CS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 3.622 in. Stroke, Internal Balance, 8 Counterweight, Chevy, Small Block, Gen V, Each
Part Number: CPI-5TH-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
FORD RS CRANK MODIFIED - FULL LIGHTENING PACKAGE
Part Number: CPI-QH47BTO-F2
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
CRANKSHAFT
Part Number: CPI-AWO-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
MAX AND LITE 1182, 3.480 350 2.100
Part Number: CPI-SAF-11D-ML
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
MAX & LITE CRANK 3.480 350 2.000
Part Number: CPI-SAF-14D-ML
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
CRANKSHAFT
Part Number: CPI-YYZE48CS
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each
Part Number: CPI-5UJ31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
COMPSTAR LS 8 CTWT CRANK 3.900/2.559/2.100
Part Number: CPI-APC-31Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
COMPSTAR 8 CTWT LS1 CRANK 3.875 2.559 2.00
Part Number: CPI-APM-34Q-CS
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
CRANKSHAFT COMPSTAR
Part Number: CPI-APP317-CS58
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
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