Crankshafts - 1-piece Rear Main Seal Style - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Callies Magnum Crankshafts APO-31V-MG

Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each

Part Number: CPI-APO31V-MG

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Callies Apex Crankshafts AWO-31V-AS

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Long Snout, Chevy, Small Block, LS7, Each

Part Number: CPI-AWO-31V-AS

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Scat Forged Counterweight Crankshafts 7-T-4000

MODEL 'T' REPLACEMENT 1908-1927

Part Number: SCA-7T4000

5.0 out of 5 stars ( 2 )

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Callies Apex Crankshafts APO-31V-AS

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APO-31V-AS

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Callies Apex Crankshafts APU-31V-AS

Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

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Callies Apex Crankshafts APH-31V-AS

Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APH-31V-AS

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Callies Apex Crankshafts 5UO-31V-AS

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5UO-31V-AS

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Scat Forged Superlight Crankshafts 4-350-3480-5700-L-3

350 1-PC REAR SEAL SUPERLIGHT

Part Number: SCA-435010L-3

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Callies Apex Crankshafts APP-31V-AS

Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APP-31V-AS

Not Yet Reviewed

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Scat Forged Pro Series Lightweight Crankshafts 4-350-3480-5700-L-2

350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT

Part Number: SCA-435010L-2

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today