Pistons | Summit Racing

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6303-4100

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6303-4100

Piston Set, 340 Mopar K1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-K1-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6303-4080

Piston Set, 340 Mopar K1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-K1-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6303-4070

Piston Set, 340 Mopar K1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-K1-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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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 K3-6303-4070

Piston Set, 340 Mopar K3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-K3-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6303-4070

Piston Set, 340 Mopar 3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-3-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6303-4070

Piston Set, 340 Mopar 1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-1-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 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: Apr 29, 2026 if ordered today

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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 K3-6303-4100

Piston Set, 340 Mopar K3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-K3-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6303-4080

Piston Set, 340 Mopar 3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-3-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Diamond Pistons Domestic Series Pistons 51001

MO 340 FT 4.070B/3.310S/6.123R/1.802CD

Part Number: DPP-51001

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Call to Order

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6303-4080

Piston Set, 340 Mopar 2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-2-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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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 K3-6303-4080

Piston Set, 340 Mopar K3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-K3-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6303-4080

Piston Set, 340 Mopar 1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-1-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6303-4040

Piston Set, 340 Mopar 1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-1-6303-4040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6303-4100

Piston Set, 340 Mopar K2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-K2-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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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 K3-6303-4040

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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6303-4100

Piston Set, 340 Mopar 1-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-1-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6303-4100

Piston Set, 340 Mopar 3-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-3-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6303-4070

Piston Set, 340 Mopar K2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-K2-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6303-4100

Piston Set, 340 Mopar 2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.100 bore

Part Number: DMS-2-6303-4100

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6303-4070

Piston Set, 340 Mopar 2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.070 bore

Part Number: DMS-2-6303-4070

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6303-4040

Piston Set, 340 Mopar 2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.040 bore

Part Number: DMS-2-6303-4040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6303-4080

Piston Set, 340 Mopar K2-FX Series -16cc Small Block Mopar Dish Top Piston Set. 4.080 bore

Part Number: DMS-K2-6303-4080

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today