Pistons - 4.125 in. Bore (in.) - 4.500 in. Stroke - Free Shipping on Orders Over $125 at Summit Racing

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6150-4125

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6150-4125

Piston Set, 480 Late Pontiac K1-FX Series -7cc Late Flat Top Piston Set. 4.125 bore

Part Number: DMS-K1-6150-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6150-4125

Piston Set, 480 Late Pontiac K2-FX Series -7cc Late Flat Top Piston Set. 4.125 bore

Part Number: DMS-K2-6150-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6153-4125

Piston Set, 480 Late Pontiac K3-FX Series -24cc Late Dish Top Piston Set. 4.125 bore

Part Number: DMS-K3-6153-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6150-4125

Piston Set, 480 Late Pontiac K3-FX Series -7cc Late Flat Top Piston Set. 4.125 bore

Part Number: DMS-K3-6150-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6013-4125

Piston Set, 481 Stroker Olds. 2-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-2-6013-4125

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 2-6010-4125

Piston Set, 481 Stroker Olds. 2-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-2-6010-4125

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 K3-6013-4125

Piston Set, 481 Stroker Olds. K3-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-K3-6013-4125

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 K1-6153-4125

Piston Set, 480 Late Pontiac K1-FX Series -24cc Late Dish Top Piston Set. 4.125 bore

Part Number: DMS-K1-6153-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6153-4125

Piston Set, 480 Late Pontiac K2-FX Series -24cc Late Dish Top Piston Set. 4.125 bore

Part Number: DMS-K2-6153-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-6013-4125

Piston Set, 481 Stroker Olds. K1-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-K1-6013-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6010-4125

Piston Set, 481 Stroker Olds. K2-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-K2-6010-4125

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 1-6010-4125

Piston Set, 481 Stroker Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-1-6010-4125

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 1-6013-4125

Piston Set, 481 Stroker Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-1-6013-4125

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 K3-6010-4125

Piston Set, 481 Stroker Olds. K3-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-K3-6010-4125

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 3-6013-4125

Piston Set, 481 Stroker Olds. 3-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-3-6013-4125

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 K2-6013-4125

Piston Set, 481 Stroker Olds. K2-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-K2-6013-4125

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 K1-6010-4125

Piston Set, 481 Stroker Olds. K1-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-K1-6010-4125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-6010-4125

Piston Set, 481 Stroker Olds. 3-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-3-6010-4125

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