Pistons - 106.299mm Bore (mm) - 3.875 in. Stroke - 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 Piston and Ring Kits with XR Wrist Pins K3-2466-4185

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2466-4185

Piston Set, 420 SBC K3-FX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2466-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2468-4185

k2-2468-4185-420-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K2-2468-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Wiseco RED Series Pistons RED0004X6

Pistons, Red Series, Forged Aluminum, 4.185 Bore, -6.60cc Flat, 3.875 in. Stroke, 5.850 Rod, Chevy, Small Block, Set of 8

Part Number: WIS-RED0004X6

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8150-4185

Piston Set, 420 SBC SX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-8150-4185

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

D.S.S. SX-Series Forged Pistons 8147-4185

Piston Set, 420 SBC SX Series +4cc Dome Top Piston Set. 4.185 bore

Part Number: DMS-8147-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8146-4185

Piston Set, 420 SBC SX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K8146-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2453-4185

Piston Set, 420 SBC K2-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K2-2453-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2450-4185

Piston Set, 420 SBC K3-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-K3-2450-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2456-4185

Piston Set, 420 SBC K2-FX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K2-2456-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8156-4185

Piston Set, 420 SBC SX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-8156-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2460-4185

Piston Set, 420 SBC K3-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-K3-2460-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2468-4185

3-2468-4185-420-small-block-chevy-3-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-3-2468-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2456-4185

Piston Set, 420 SBC K1-FX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K1-2456-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8155-4185

Piston Set, 420 SBC SX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-8155-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2450-4185

Piston Set, 420 SBC K1-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-K1-2450-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2463-4185

Piston Set, 420 SBC K2-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K2-2463-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2450-4185

Piston Set, 420 SBC 1-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-1-2450-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2465-4185

Piston Set, 420 SBC 3-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-3-2465-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2455-4185

Piston Set, 420 SBC K1-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K1-2455-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8145-4185

Piston Set, 420 SBC SX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-8145-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2465-4185

Piston Set, 420 SBC K1-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K1-2465-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2468-4185

k1-2468-4185-420-small-block-chevy-k1-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K1-2468-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2463-4185

Piston Set, 420 SBC K1-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K1-2463-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

JE Pistons 400 Small Block 23 Degree Dome Pistons 207514R

Piston, Forge, Dome, 2-Valve Reliefs, 4.185 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Right, Each

Part Number: JEP-207514R

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-2463-4185

Piston Set, 420 SBC 2-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-2-2463-4185

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today