Availability
Crankshafts
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO19A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB MAGNUM BILLET 4.250/2.448/2.100
Part Number: CPI-SAP-11-MB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 3.250 350 2.100 BB POST
Part Number: CPI-SME-11A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB FORGED ULTRA DIRT 3.480 / 350 / 1.888x1.825 BB POST
Part Number: CPI-SMF-1KA-UD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM 3.480 400 2.100 BB POST
Part Number: CPI-SMF-21A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 3.500 400 2.100
Part Number: CPI-SMG-21A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB MAGNUM BILLET 3.750/350 MAINS
Part Number: CPI-SAJ-11-MB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES FORGED DIRT CRANK 4.000 / 350 / 1.888
Part Number: CPI-SAO-19A-UD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 4.00 350 1.850 SB WIDTH
Part Number: CPI-SAO-1EA-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES FORGED DIRT CRANK 4.000 / 350 / 1.888
Part Number: CPI-SAO-1EA-UD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB MAGNUM CRANK 4.000/400/2.100
Part Number: CPI-SAO-21-MB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB ULTRA BOOST CRANK 4.000/400/2.100
Part Number: CPI-SAO-21-UB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB MAGNUM BILLET CRANK 4.000/2.648/2.100
Part Number: CPI-SAO-21K-MB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB MAGNUM BILLET 4.000 /2.648/2.000
Part Number: CPI-SAO-24-MB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES SB ULTRA DIRT CRANK 4.000 / 400 / 2.000
Part Number: CPI-SAO-24-UD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
FORGED DIRT CRANK 4.000 400 2.000 PIN CRANK
Part Number: CPI-SAO-24A-UD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 4.000 400 1.888
Part Number: CPI-SAO-29A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO14A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO24A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 3.250 350 2.000 BBPOST
Part Number: CPI-SME-14A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SMF11A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
CALLIES ULTRA BOOST 3.500 / 400 / 2.100 BBC POST
Part Number: CPI-SMG-21-UB
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 3.750 350 2.100 BBPOST 1PC
Part Number: CPI-CMJ-11A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAGNUM CRANK 3.750 350 2.100 BBPOST 1PC
Part Number: CPI-CMJ-14A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
MAG CRANK 3.875 350 2.100 1pc BB Post
Part Number: CPI-CMM-11A-MG
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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