Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95135

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Free Shipping
• Special Order

CALLIES LS BILLET ULTRA BOOST 3.700/2.559/1.888

Part Number: CPI-AP2739-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA BOOST 3.780 / 2.559 / 2.100

Part Number: CPI-AP4431-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA BOOST 4.600 / 2.750 / 2.200 SBC WIDTH

Part Number: CPI-AP457X-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

LS ULTRA BILLET 3.850 351C SPEC.

Part Number: CPI-AP537X-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA CRANK 4.375 2.559 2.100

Part Number: CPI-APB-31-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST LS CRANK 4.375 2.750 2.100

Part Number: CPI-APB-71-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS1 ULTRA BILLET CRANK 3.900 STROKE

Part Number: CPI-APC-31-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA BILLET 5.300 SPREAD BORE 5.500/2.747/2.197

Part Number: CPI-B5-PR-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA BOOST CRANK 6.250/2.747/2.197 5.300 S/B

Part Number: CPI-B5249M-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST CRANK 6.250 5.300 B.S.

Part Number: CPI-B524PM-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB ULTRA BOOST BILLET CRANK 6.100 2.750 2.197

Part Number: CPI-B549P2-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET 5.300 SB 6.000/2.750/2.200

Part Number: CPI-B549PM-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB ULTRA BOOST BILLET CRANK 6.100 2.750 2.197

Part Number: CPI-B549PR-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET CRANK 6.200 5.300 B.S.

Part Number: CPI-B557PM-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES BB ULTRA BOOST BILLET CRANK 6.200 2.750 2.197

Part Number: CPI-B557PR-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST BB CRANK 5.750 2.747 2.197

Part Number: CPI-BB14PR-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET CRANK 4.00 / 2.750 / 2.200

Part Number: CPI-BBO-42-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET CRANK 4.250 / 2.750 / 2.200

Part Number: CPI-BBP-42-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST LS 4.625/2.750/2.100

Part Number: CPI-APR-71-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA BILLET CRANK 4.750/2.559./2.200

Part Number: CPI-APS-7X-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BOOST LS CRANK 4.125 2.559 2.100

Part Number: CPI-APU-31-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA BILLET LS CRANK 4.125 2.559 1.888

Part Number: CPI-APU-39-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS CRANK 4.125/2.750/2.100

Part Number: CPI-APU-71-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES LS ULTRA BOOST BILLET CRANK 4.125/351/2.200

Part Number: CPI-APU-7X-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order