Availability
Crankshafts
MAGNUM FORGED ULTRA DIRT CRANK 3.800 400 2.000
Part Number: CPI-SAK-24A-UD
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Engine Crankshaft
Part Number: ESP-4350375057B2
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAK21A-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAJ11A-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Pontiac, 455, Each
Part Number: ESP-445542506700
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UH-31V-AS
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft
Part Number: CPI-ATJ31VM2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
CALLIES LS1 ULTRA BOOST CRANK 4.000/2.750/2.100
Part Number: CPI-APO-71-UB
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
MAGNUM BB CRANK 5.250 2.750 2.200
Part Number: CPI-BB7-42B-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
MAGNUM BB CRANK 4.710 2.750 2.100 BB WIDTH
Part Number: CPI-BB8843B-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
MAGNUM BB CRANK 4.000 2.750 2.100
Part Number: CPI-BBO-43B-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
MAGNUM BB CRANK 4.250 409 MAIN 2.200
Part Number: CPI-BBP-82B-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
ULTRA BOOST CRANK 6.250 5.300 B.S.
Part Number: CPI-B524PM-UB
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
MAGNUM BB CRANK 3.350 2.750 2.000sb
Part Number: CPI-BB8644B-M2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
CALLIES LS ULTRA BOOST 4.250 / 2.750 / 2.000
Part Number: CPI-APP-74-UB
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
CALLIES BBC MAGNUM 3.645 / 2.750 / 2.000 OD & SBC WIDTH
Part Number: CPI-BB6B44B-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
CALLIES BBC CRANK 3.970/2.750/2.000 BBC width
Part Number: CPI-BB7B4FB-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
CALLIES BBC ULTRA BOOST 4.625 2.750 2.200
Part Number: CPI-BBR-PR-UB
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
ULTRA BOOST BB CRANK 4.125 2.750 HEMI PIN
Part Number: CPI-BBU-45-UB
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400, BB Post
Part Number: CPI-SMJ21A-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAG11A-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.000 in. Pin, Chevy, 350
Part Number: CPI-SAM14A-MG
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, Ultra Billet, 1-Piece Seal, EN30B Steel, 4.150 in. Stroke, 7.100 in. Rod, 2.374 Pin, Internal Balance, Mopar, Big Block, Each
Part Number: CPI-FN2-UY2-TF
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4.000" stroke, internal balance, forged 4340 steel, Chevrolet big block, center counterweighted
Part Number: ESP-445440016135
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
3.440" stroke, internal balance, cast mild steel, Jeep 4.0L
Part Number: ESP-102423440
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
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