Pistons - 6.4L/390 Actual Engine Displacement - Plasma-moly Top Ring Facing Material - Free Shipping on Orders Over $125 at Summit Racing

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5000-4050

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5000-4050

Piston Set, 390 FE K1-FX Series -5cc FE Flat Top Piston Set. 4.050 bore

Part Number: DMS-K1-5000-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8143-4000

Piston Set, 396 SBC SX Series -16cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-K8143-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-5004-4050

-16cc Dish Top FE Ford Forged 2618

Part Number: DMS-K3-5004-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-5004-4050

-16cc Dish Top FE Ford Forged 2618

Part Number: DMS-K2-5004-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6635-4165

Piston Set, 390 AMC V8 K1-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K1-6635-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-5001-4050

-10cc Dish Top FE Ford Forged 2618

Part Number: DMS-K2-5001-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8145-4000

Piston Set, 396 SBC SX Series -21cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-K8145-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6615-4165

Piston Set, 390 AMC V8 K2-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K2-6615-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6635-4165

Piston Set, 390 AMC V8 K2-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K2-6635-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6630-4165

Piston Set, 390 AMC V8 K2-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K2-6630-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8190-4040

Piston Set, 383 SBC SX Series -5cc Flat Top Piston Set. 4.040 bore

Part Number: DMS-K8190-4040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5001-4050

-10cc Dish Top FE Ford Forged 4032

Part Number: DMS-K1-5001-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8195-4040

Piston Set, 383 SBC SX Series -21cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8195-4040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-5000-4050

Piston Set, 390 FE K2-FX Series -5cc FE Flat Top Piston Set. 4.050 bore

Part Number: DMS-K2-5000-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8153-4000

Piston Set, 396 SBC SX Series -16cc Dish Top Piston Set. 4.000 bore

Part Number: DMS-K8153-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6610-4165

Piston Set, 390 AMC V8 K2-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K2-6610-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8193-4040

Piston Set, 383 SBC SX Series -16cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8193-4040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-5004-4050

-16cc Dish Top FE Ford Forged 4032

Part Number: DMS-K1-5004-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8147-4000

Piston Set, 396 SBC SX Series +4cc Dome Top Piston Set. 4.000 bore

Part Number: DMS-K8147-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6615-4165

Piston Set, 390 AMC V8 K1-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K1-6615-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6630-4165

Piston Set, 390 AMC V8 K1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K1-6630-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-5001-4050

-10cc Dish Top FE Ford Forged 2618

Part Number: DMS-K3-5001-4050

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8140-4000

Piston Set, 396 SBC SX Series -5cc Flat Top Piston Set. 4.000 bore

Part Number: DMS-K8140-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. SX-Series Forged Piston and Ring Kits K8150-4000

Piston Set, 396 SBC SX Series -5cc Flat Top Piston Set. 4.000 bore

Part Number: DMS-K8150-4000

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6610-4165

Piston Set, 390 AMC V8 K1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K1-6610-4165

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 29, 2026 if ordered today