Pistons - 3.310 in. Stroke - 5.6L/339 Actual Engine Displacement - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6303-4040

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6303-4040

Piston Set, 340 Mopar 3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-3-6303-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6300-4040

Piston Set, 340 Mopar K3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore

Part Number: DMS-K3-6300-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6303-4040

Piston Set, 340 Mopar K3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-K3-6303-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6300-4040

Piston Set, 340 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore

Part Number: DMS-K1-6300-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6303-4040

Piston Set, 340 Mopar K1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-K1-6303-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6300-4040

Piston Set, 340 Mopar K2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore

Part Number: DMS-K2-6300-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6303-4040

Piston Set, 340 Mopar K2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-K2-6303-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6300-4040

Piston Set, 340 Mopar 3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore

Part Number: DMS-3-6300-4040

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today