Pistons - 4.170 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-5021-4170

-10cc Dish Top FE Ford Forged 2618

Part Number: DMS-3-5021-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5070-4170

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5070-4170

Piston Set, 455 FE 2-FX Series -5cc FE Flat Top Piston Set. 4.170 bore

Part Number: DMS-2-5070-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-5060-4170

Piston Set, 442 FE 1-FX Series -5cc FE Flat Top Piston Set. 4.170 bore

Part Number: DMS-1-5060-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5025-4170

-20cc Dish Top FE Ford Forged 4032

Part Number: DMS-K1-5025-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5066-4170

-24cc Dish Top FE Ford Forged 4032

Part Number: DMS-K1-5066-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-5020-4170

Piston Set, 428 FE 1-FX Series -5cc FE Flat Top Piston Set. 4.170 bore

Part Number: DMS-1-5020-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-5077-4170

-28cc Dish Top FE Ford Forged 4032

Part Number: DMS-1-5077-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-5064-4170

-16cc Dish Top FE Ford Forged 4032

Part Number: DMS-1-5064-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-5066-4170

-24cc Dish Top FE Ford Forged 2618

Part Number: DMS-K3-5066-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-5077-4170

-28cc Dish Top FE Ford Forged 2618

Part Number: DMS-2-5077-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-5025-4170

-20cc Dish Top FE Ford Forged 2618

Part Number: DMS-K3-5025-4170

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

KB Performance Pistons SKB378.040

Piston, Hypereutectic, Step Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378-040

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Call to Order

KB Performance Pistons KB378.040

Pistons, Hypereutectic, Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB378-040

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today