Crankshafts

Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.100 in. Pin, Chevy, 400, BB Post

Part Number: CPI-SMO21A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO24A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES SBC BB SNOUT ULTRA BOOST 4.250 / 350 / 2.100

Part Number: CPI-SMP-11-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.250 350 2.100 BB POST

Part Number: CPI-SMP-11A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.250 350 2.000

Part Number: CPI-SMP-14A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES SB ULTRA BOOST CRANK 4.250/2.648/2.100

Part Number: CPI-SMP-21-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES SB ULTRA BOOST CRANK 4.250/2.648/2.000

Part Number: CPI-SMP-24-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.250/400/2.000 BB POST

Part Number: CPI-SMP-24A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMP21A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES SB MAGNUM BILLET BB POST 4.500/400/2.100

Part Number: CPI-SMQ-21-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.500 400 2.100 BBC POST

Part Number: CPI-SMQ-21A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA BOOST 4.750 / 400 / 2.100 BBC POST

Part Number: CPI-SMS-21-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.125 350 2.100 BB POST

Part Number: CPI-SMU-11A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

ULTRA DIRT CRANK 4.125 350 2.000 BBPOST

Part Number: CPI-SMU-14-UD

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.125 350 2.000 BBPOST

Part Number: CPI-SMU-14A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA BOOST SBC CRANK 4.125/400/2.100

Part Number: CPI-SMU-21-UB

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 4.125 400 2.000

Part Number: CPI-SMU-24A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM SBC 4.125 400 1.888 BB POST

Part Number: CPI-SMU-29A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, Big Block Chevy Snout, 4.125 in. Stroke, 2.100 in. Pin, Chevy, 400, Each

Part Number: CPI-SMU21A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 3.400 350 2.100

Part Number: CPI-SMW-11A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM CRANK 3.335 350 2.100

Part Number: CPI-SMX-11A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

MAGNUM 3.335 350 2.000 CRANK

Part Number: CPI-SMX-14A-MG

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES SB 3.450/350/1.888 JOURNAL ULTRA DIRT FORGED

Part Number: CPI-SMY-19A-UD

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA DIRT BILLET 4.000 / 350 / SJ

Part Number: CPI-SOM-14-UD

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order

CALLIES ULTRA DIRT BILLET 4.000 / 350 / SJ

Part Number: CPI-SOO-14-UD

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Free Shipping
• Special Order