Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-435050-3

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435051LW

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Superlight

Part Number: SCA-435052-3

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-440072LW

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: SCA-440086

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Forged 4340 Standard Weight

Part Number: SCA-4426010

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Forged 4340 Standard Weight

Part Number: SCA-4426013

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Forged 4340 Standard Weight

Part Number: SCA-4426014

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-4426014-2

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Forged 4340 Standard Weight

Part Number: SCA-4426015

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Forged 4340 Standard Weight

Part Number: SCA-4426018

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.50 in. Stroke, 6.760 Rod, Mopar, 426 Hemi, Each

Part Number: SCA-4426020

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 440, Each

Part Number: SCA-444010

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

4340 Forged Pro Series Lightweight

Part Number: SCA-445405C-2

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• $100.00 Summit Bucks
• Special Order

Pistons, AutoTec BBC, 4.35, 4.5, Flat Top 7.1, 0.99, BBC 383,440, Sold as a set of 8.

Part Number: PIS-1000575

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec LS, 3.903, 4, Inverted Dome/Milled Dish 6.125, 0.927, LS 15°, Sold as a set of 8.

Part Number: PIS-1000620

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, Forged, 4.125 in. Bore, 4.000 in. Stroke, Dish Top, 6.125 in. Rod Length, 0.927 in. Pin Diameter, LS 15 degree, Chevy, Set of 8

Part Number: PIS-1000632

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec LS, 4.145, 4, Inverted Dome/Milled Dish 6.125, 0.927, LS 15°, Sold as a set of 8.

Part Number: PIS-1000633

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec LS, 4.005, 4, Inverted Dome/Milled Dish 6.125, 0.927, LS 15°, Sold as a set of 8.

Part Number: PIS-1000635

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec LS, 4.155, 4, Inverted Dome/Milled Dish 6.125, 0.927, LS 15°, Sold as a set of 8.

Part Number: PIS-1000642

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec SBC, 4.04, 3.75, Inverted Dome/Milled Dish 6, 0.927, SBC 23°4.007, Sold as a set of 8.

Part Number: PIS-1000652

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, Forged, 4.060 in. Bore, 3.750 in. Stroke, Dish Top, 6.000 in. Rod Length, 0.927 in. Pin Diameter, SBC 23 degree, Chevy, Set of 8

Part Number: PIS-1000653

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec BBC, 4.5, 4.25, Large dome 6.385, 0.99, BBC, Sold as a set of 8.

Part Number: PIS-1000680

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec BBC, 4.6, 4.25, Large dome 6.385, 0.99, BBC, Sold as a set of 8.

Part Number: PIS-1000683

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order

Pistons, AutoTec BBC, 4.31, 4.25, Large dome 6.535, 0.99, BBC, Sold as a set of 8.

Part Number: PIS-1000686

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• $75.00 Summit Bucks
• Special Order