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

KB Performance Claimer Piston and Ring Kits 9901HCKTM.STD

Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Kit

Part Number: UEM-9901HCKTMSTD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. E Series Forged Pistons 8785-4000

D.S.S. E Series Forged Pistons 8785-4000

Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series -5cc LS Flat Top Piston Set. 4.000 bore

Part Number: DMS-8785-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons for 2007-2008 NPR, NPR-HD, 2004 SIERRA 1500 - 3517HC.STD

Pistons, Hypereutectic, Flat, 101.6mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3517HC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power Cast Pistons 310AP

Piston, Cast Flat Top, 4.000 in. Bore, Chevy, Checker, Set of 8

Part Number: SLP-310AP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Pistons KB151.STD

Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB151-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Hypereutectic Pistons H815DCP

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H815DCP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Sealed Power Cast Pistons W463P

Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Mercury, 351W, Each

Part Number: SLP-W463P

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

ICON FHR Series Pistons for GM LS IC9991C.STD

Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 4.000 in. Bore, 0.927 in. Wrist Pin, GM, LS, 6.0/6.2L, Set

Part Number: UEM-IC9991C-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. E Series Forged Pistons 8750-4000

Pistons, E-Series, Forged, Flat, 4.000 in. Bore, Ford, Set of 8

Part Number: DMS-8750-4000

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Hypereutectic Pistons H336CP

Pistons, Hypereutectic, Flat, 4.000 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-3558-4000

Piston Set, 351W / 5.8 SBF 351W K2-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-K2-3558-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. E Series Forged Pistons 8715-4000

Pistons, E-Series, Forged, Flat, 4.000 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4000

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Hypereutectic Pistons H654CP

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Speed-Pro Hypereutectic Pistons H617CP

Pistons, Hypereutectic, Dome, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H617CP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2920-4000

Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-1-2920-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Silv-O-Lite Cast Pistons 3136.STD

Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3136-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Silv-O-Lite Cast Pistons 1436C.STD

Pistons, Cast, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1436C-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

D.S.S. E Series Forged Piston and Ring Kits K8750-4000

Piston Set, 351W / 5.8 SBF 351W E Series -3cc Flat Top Inline Piston Set. 4.000 bore

Part Number: DMS-K8750-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged Piston and Ring Kits K1-2832-4000

Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.000 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2832-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2303-4000

Piston Set, 383 SBC 3-FX Series -16cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-3-2303-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

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: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

Summit Racing™ Pro LS Forged Pistons SUM-326943400012

Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8

Part Number: SUM-326943400012

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025

KB Performance Hyper Piston and Ring Kits KB124KTD.STD

Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB124KTD-STD

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3550-4000

Piston Set, 351W / 5.8 SBF 351W 1-FX Series -4cc Flat Top Inline Piston Set. 4.000 bore

Part Number: DMS-1-3550-4000

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Summit Racing™ Coated Forged SBC 350 Pistons SUM-17360FC-00

Pistons, Forged, Flat, 4.000 in. Bore, Chevy, Set of 8

Part Number: SUM-17360FC-00

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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Estimated Ship Date: Monday 11/17/2025