Availability
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Custom Order, Chevy, 454
Part Number: CRO-UL95115
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT SB CHEV 3.125 STROKE(HOLES INCL)
Part Number: CRO-UL95118
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95119
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT SB CHEV CUSTOM STROKE-HOLES INCL
Part Number: CRO-UL95120
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95121
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95122
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95123
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95124
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95125
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95126
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400
Part Number: CRO-UL95127
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT SB CHEV 4.000 STROKE(HOLES INCL)
Part Number: CRO-UL95128
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT BB CHEVY CUSTOM STROKE (HOLES INCL)
Part Number: CRO-UL95130
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Crankshaft, Ultra Light, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.760 in. Stroke, Chevy, 454, Each
Part Number: CRO-UL95132
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshaft, Ultra Light, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, Chevy, 454, Each
Part Number: CRO-UL95133
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT BB CHEVY 4.125 STROKE(HOLES INCL)
Part Number: CRO-UL95134
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Crankshafts, CRANKSHAFT 4340 FORGED ULTRA-LIGHT BB CHEVY 4.250 STROKE(HOLES INCL)
Part Number: CRO-UL95135
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
FORD BB ULTRA BOOST 3.150 / 3.000 / 2.200
Part Number: CPI-9G46H2-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
FORD BB ULTRA BOOST 3.850 / 3.000 / 2.200
Part Number: CPI-9G53H2-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
FORD BB ULTRA BOOST 3.900 / 3.000 / 2.100
Part Number: CPI-9GC-H3-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
CALLIES ULTRA BOOST BBF 4.250/ 3.000/ 2.200
Part Number: CPI-9GP-H2-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
CALLIES ULTRA BOOST FORD 4.500/ 3.000/ 2.200
Part Number: CPI-9GQ-H2-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
ULTRA BOOST LS CRANK 4.100 2.559 2.100
Part Number: CPI-AP-31-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
CALLIES LS ULTRA BOOST BILLET CRANK 4.200 2.559 2.100
Part Number: CPI-AP1231-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
CALLES LS ULTRA BOOST CRANK 4.200/351/2.100
Part Number: CPI-AP1271-UB
Not Yet Reviewed
Estimated Ship Date: Dec 5, 2025 if ordered today
Estimated Ship Date: Dec 5, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
