Pistons - 4.185 in. Bore (in.) - 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: Tomorrow

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Estimated Ship Date: Tomorrow

Wiseco Professional Series Pistons 60030RB6

Pistons, Professional Series, Forged Aluminum, Dome, 4.185 in. Bore, Stroked, Right Side, Chevy, Small Block, Each

Part Number: WIS-60030RB6

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Wiseco Professional Series Pistons K0030B6

Pistons, Forged Dome, 4.185 in. Bore, Chevy, Set of 8

Part Number: WIS-K0030B6

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

ICON Premium Forged Pistons IC965.060

Pistons, Forged, Dome, 4.185 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-IC965-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 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: 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 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: 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 Pistons 8143-4185

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

Part Number: DMS-8143-4185

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 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: 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 Pistons 8146-4185

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

Part Number: DMS-8146-4185

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 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: 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 4032 Alloy Piston and Ring Kits K1-2458-4185

k1-2458-4185-420-small-block-chevy-k1-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K1-2458-4185

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 4032 Alloy Piston and Ring Kits K1-2460-4185

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

Part Number: DMS-K1-2460-4185

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 Pistons 2-2453-4185

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

Part Number: DMS-2-2453-4185

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 Pistons 2-2455-4185

Piston Set, 420 SBC 2-FX Series -21cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-2-2455-4185

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 Pistons 2-2456-4185

Piston Set, 420 SBC 2-FX Series -28cc Dish Top Piston Set. 4.185 bore

Part Number: DMS-2-2456-4185

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 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: 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 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: 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 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: 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 4032 Alloy Piston and Ring Kits K1-2453-4185

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

Part Number: DMS-K1-2453-4185

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 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: 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 Pistons 8157-4185

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

Part Number: DMS-8157-4185

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 Pistons 8140-4185

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

Part Number: DMS-8140-4185

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