Availability
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 1.888 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO19A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
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: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
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: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SBC BB SNOUT ULTRA BOOST 4.250 / 350 / 2.100
Part Number: CPI-SMP-11-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM CRANK 4.250 350 2.100 BB POST
Part Number: CPI-SMP-11A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM CRANK 4.250 350 2.000
Part Number: CPI-SMP-14A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA BOOST CRANK 4.250/2.648/2.100
Part Number: CPI-SMP-21-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA BOOST CRANK 4.250/2.648/2.000
Part Number: CPI-SMP-24-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM CRANK 4.250/400/2.000 BB POST
Part Number: CPI-SMP-24A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
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: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB MAGNUM BILLET BB POST 4.500/400/2.100
Part Number: CPI-SMQ-21-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM CRANK 4.500 400 2.100 BBC POST
Part Number: CPI-SMQ-21A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES ULTRA BOOST 4.750 / 400 / 2.100 BBC POST
Part Number: CPI-SMS-21-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA DIRT CRANK 3.550/350/1.888
Part Number: CPI-SKT-19-UD
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA DIRT FORGED CRANK 3.550/350/1.888
Part Number: CPI-SKT-19A-UD
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
ULTRA DIRT CRANK 3.400 / 350 / 1.885
Part Number: CPI-SKW-19-UD
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA DIRT CRANK 3.335/2.448/1.888
Part Number: CPI-SKX-19-UD
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SBC BB POST ULTRA BOOST 4.100/400/2.100
Part Number: CPI-SM-21-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SBC ULTRA BOOST CRANK BBC SNOUT 4.100/400/1.888
Part Number: CPI-SM-29-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SBC ULTRA BOOST CRANK BBC SNOUT 4.100/400/1.888 HONDA JOURNAL, NASCAR WIDTH
Part Number: CPI-SM-2K-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES ULTRA DIRT SBC CRANK 3.370 350 1.888 BBC SNOUT
Part Number: CPI-SM1719A-UD
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM BB POST, 2.850 350 2.100
Part Number: CPI-SM2611A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
MAGNUM SB CRANK 3.850 350 2.000
Part Number: CPI-SM5314A-MG
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
CALLIES SB ULTRA BOOST CRANK 3.850/400/2.100 BB POST
Part Number: CPI-SM5321-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
ULTRA BOOST SB CRANKSHAFT 3.562 350 2.100 BB POST
Part Number: CPI-SM6-11-UB
Not Yet Reviewed
Estimated Ship Date: Sep 16, 2025 if ordered today
Estimated Ship Date: Sep 16, 2025 if ordered today
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