Availability
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: Today
Estimated Ship Date: 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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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
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
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, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
ULTRA I-BEAM LS1 6.125 2.000, CA Bolts
Part Number: CPI-U17172-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM LS1 6.350 2.100, CA Bolts
Part Number: CPI-U17178-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Connecting Rod, Ultra, I-beam, Forged 4330 Steel, 6.350 in. Length, Cap Screw, ARP Custom Aged Bolts, Bushed, Chevy, Small Block, LS, Each
Part Number: CPI-U17178CAMOD
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM XD 5.850 2.100, CA Bolts
Part Number: CPI-U18130-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA H-BEAM ROD SBC 6.000 2.000 - DIRT STYLE, CUSTOM AGE BOLTS
Part Number: CPI-U16336-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA ENFORCER 6.700-XD I-BEAM, CA Bolts
Part Number: CPI-U18214-CA
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
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
ULTRA I-BEAM 6.200 2.100, CA Bolts
Part Number: CPI-U14145-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM 6.200 2.000, CA Bolts
Part Number: CPI-U14146-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM ROD FORD 6.800 2.200, CA Bolts
Part Number: CPI-U15816-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM 6.250 2.000, CA Bolts
Part Number: CPI-U14151-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA Enforcer I-BEAM New Hemi 6.200 2.100, CA Bolts
Part Number: CPI-U14345-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM FORD 5.933, CA Bolts
Part Number: CPI-U14825-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM FORD 6.125 SJ, CA Bolts
Part Number: CPI-U14844-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
ULTRA I-BEAM 6.200 2.100, CA Bolts
Part Number: CPI-U14845-CA
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
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