Pistons - 4.000 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Pro LS Forged Pistons SUM-299S274000-2

Summit Racing™ Pro LS Forged Pistons SUM-299S274000-2

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274000-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-326S454000-2

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S454000-2

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Estimated Ship Date: Tomorrow

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Mahle Original OE Replacement Pistons S224-3665

Piston, OE Replacement, Hypereutectic Aluminum, Flat Top, 4 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243665

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Mahle Original OE Replacement Pistons S224-3663

Single Piston

Part Number: MAH-S2243663

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326S45400012

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S45400012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-299S27400012

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S27400012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-326S43400012

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S43400012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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KB Performance Pistons SKB105.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB105-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Silv-O-Lite Hypereutectic Pistons 3476HC.STD

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Set of 6

Part Number: UEM-3476HC-STD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Coated Forged Pistons SUM-17407C-1

Piston, Forged Aluminum, Flat, 4.000 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Each

Part Number: SUM-17407C-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Coated Forged SBF 302 Piston SUM-17370FC-00-1

Piston, Forged, Flat, 4.000 in. Bore, Ford, Each

Part Number: SUM-17370FC-00-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Forged Pistons SUM-326S434000-2

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434000-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Silv-O-Lite Hypereutectic Pistons 1533HC.STD

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 1/16 in., 5/64 in., 3/16 in. Ring Grooves, GM, L4, Set of 4

Part Number: UEM-1533HC-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons SKB379.STD

Piston, Hypereutectic, Step Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB379-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB190.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB190-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB191L.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB191L-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB311.STD

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB311-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB355.STD

Piston, Hypereutectic, Dish, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB355-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB362.STD

Piston, Hypereutectic, Step Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB362-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB231.STD

Piston, Hypereutectic, Flat, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB231-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB191R.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB191R-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB134.STD

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB134-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB135.STD

Piston, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB135-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB149.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB149-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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KB Performance Pistons SKB157.STD

Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB157-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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