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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 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. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2450-4185

Piston Set, 420 SBC K2-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-K2-2450-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2465-4185

Piston Set, 420 SBC K3-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2465-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2468-4185

k3-2468-4185-420-small-block-chevy-k3-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K3-2468-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2453-4185

Piston Set, 420 SBC K3-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2453-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2455-4185

Piston Set, 420 SBC K3-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2455-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2456-4185

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

Part Number: DMS-K3-2456-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2458-4185

k3-2458-4185-420-small-block-chevy-k3-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K3-2458-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2463-4185

Piston Set, 420 SBC K3-FX Series -16cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K3-2463-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2458-4185

k2-2458-4185-420-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K2-2458-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2460-4185

Piston Set, 420 SBC K2-FX Series -5cc Flat Top Piston Set. 4.185 bore

Part Number: DMS-K2-2460-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2455-4185

Piston Set, 420 SBC K2-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K2-2455-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2465-4185

Piston Set, 420 SBC K2-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-K2-2465-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2466-4185

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

Part Number: DMS-K2-2466-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8140-4185

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

Part Number: DMS-K8140-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8143-4185

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

Part Number: DMS-K8143-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8150-4185

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

Part Number: DMS-K8150-4185

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today