Pistons - 4.040 in. Bore (in.) - 3.875 in. Stroke - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

D.S.S. SX-Series Forged Pistons 8157-4040

D.S.S. SX-Series Forged Pistons 8157-4040

Piston, SX Series, Forged, Dome Top, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8157-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2463-4040

Piston Set, 396 SBC K1-FX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K1-2463-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

ICON Premium Forged Pistons IC978.040

Pistons, Premium Forged, Flat Top, 4.040 in. Bore, Chevy, Small Block, Set of 8

Part Number: UEM-IC978-040

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2468-4040

k2-2468-4040-396-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-040-bore

Part Number: DMS-K2-2468-4040

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Diamond Pistons Small Block 23 Degree Race Dome Series Pistons 11923

CH SB DM 4.040B/3.875S/6.000R/1.063CD N/

Part Number: DPP-11923

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Call to Order

Diamond Pistons Domestic Series Pistons 11826

SB Chevy DM 4.040B/1.062CD

Part Number: DPP-11826

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

Call to Order

Howards Cams ProMax 2618 Race Pistons 840406305

Pistons, SB Chev, FT, 4.040"

Part Number: HRS-840406305

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

ICON Premium Forged Pistons IC964.040

Pistons, Forged, Dome, 4.040 in. Bore, Chevy, Set of 8

Part Number: UEM-IC964-040

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2466-4040

-28cc Dish Top SBC 23 Degree Forged 4032

Part Number: DMS-1-2466-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2450-4040

Piston Set, 396 SBC K1-FX Series -5cc Flat Top Piston Set. 4.040 bore

Part Number: DMS-K1-2450-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2466-4040

-28cc Dish Top SBC 23 Degree Forged 2618

Part Number: DMS-3-2466-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2455-4040

Piston Set, 396 SBC 3-FX Series -21cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-3-2455-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2456-4040

Piston Set, 396 SBC K1-FX Series -28cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K1-2456-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2456-4040

Piston Set, 396 SBC K2-FX Series -28cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K2-2456-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2466-4040

-28cc Dish Top SBC 23 Degree Forged 2618

Part Number: DMS-K2-2466-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2455-4040

Piston Set, 396 SBC K2-FX Series -21cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K2-2455-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-2453-4040

Piston Set, 396 SBC K3-FX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K3-2453-4040

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8143-4040

Piston Set, 396 SBC SX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8143-4040

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8155-4040

Piston Set, 396 SBC SX Series -21cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8155-4040

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-2453-4040

Piston Set, 396 SBC K2-FX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K2-2453-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8143-4040

Pistons, SX-Series, Forged, Dish, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8143-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-2463-4040

Piston Set, 396 SBC 1-FX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-1-2463-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2456-4040

Piston Set, 396 SBC 3-FX Series -28cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-3-2456-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. SX-Series Forged Pistons 8140-4040

Pistons, SX-Series, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8140-4040

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 20, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8156-4040

Piston Set, 396 SBC SX Series -28cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8156-4040

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today