Pistons - 105.791mm Bore (mm) - 5.858 in. Rod Length

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6620-4165

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6620-4165

Piston Set, 401 AMC V8 K1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K1-6620-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 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: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6620-4165

Piston Set, 401 AMC V8 K2-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K2-6620-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 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: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6625-4165

Piston Set, 401 AMC V8 1-FX Series -28cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-6625-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

KB Performance Pistons KB418.STD

Pistons, Hypereutectic, Dish, 4.165 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8

Part Number: UEM-KB418-STD

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2026 if ordered today

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Estimated Ship Date: Dec 4, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6620-4165

Piston Set, 401 AMC V8 2-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-2-6620-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6625-4165

Piston Set, 401 AMC V8 2-FX Series -28cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-2-6625-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6625-4165

Piston Set, 401 AMC V8 K2-FX Series -28cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K2-6625-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6620-4165

Piston Set, 401 AMC V8 3-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-3-6620-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6630-4165

Piston Set, 390 AMC V8 1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6630-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6635-4165

Piston Set, 390 AMC V8 3-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-3-6635-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6610-4165

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

Part Number: DMS-3-6610-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6630-4165

Piston Set, 390 AMC V8 K3-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-K3-6630-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6630-4165

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

Part Number: DMS-3-6630-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 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: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6620-4165

Piston Set, 401 AMC V8 1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6620-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 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: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6635-4165

Piston Set, 390 AMC V8 2-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-2-6635-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6610-4165

Piston Set, 390 AMC V8 1-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6610-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6630-4165

Piston Set, 390 AMC V8 2-FX Series -3cc AMC Flat Top Piston Set. 4.165 bore

Part Number: DMS-2-6630-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6635-4165

Piston Set, 390 AMC V8 1-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-6635-4165

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6635-4165

Piston Set, 390 AMC V8 K3-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K3-6635-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6625-4165

Piston Set, 401 AMC V8 K1-FX Series -28cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K1-6625-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6615-4165

Piston Set, 390 AMC V8 K3-FX Series -25cc AMC Dish Top Piston Set. 4.165 bore

Part Number: DMS-K3-6615-4165

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today