Pistons - 4.000 in. Bore (in.) - 6.6L/403 Actual Engine Displacement - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3370-4000

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3370-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3370-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3372-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 1-FX Series -18cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3372-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3358-4000

Piston Set, 408W /5.8 Stroker SBF 351W 2-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-2-3358-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3360-4000

Piston Set, 408W /5.8 Stroker SBF 351W 2-FX Series -22cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-2-3360-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3350-4000

Piston Set, 408W /5.8 Stroker SBF 351W 2-FX Series -4cc Flat Top inline Piston Set. 4.000 bore

Part Number: DMS-2-3350-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3352-4000

Piston Set, 408W /5.8 Stroker SBF 351W 2-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-2-3352-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3374-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 2-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-2-3374-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3375-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore

Part Number: DMS-2-3375-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3722-4000

Piston Set, 408C / Boss Stroker SBF 351C 2-FX Series -18cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-2-3722-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3970-4000

Piston Set, 400M SBF 400M 2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-2-3970-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3971-4000

Piston Set, 400M SBF 400M 2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-2-3971-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-3975-4000

Piston Set, 400M SBF 400M 2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore

Part Number: DMS-2-3975-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3722-4000

Piston Set, 408C / Boss Stroker SBF 351C 1-FX Series -18cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3722-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3368-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-1-3368-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3971-4000

Piston Set, 400M SBF 400M 1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3971-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3975-4000

Piston Set, 400M SBF 400M 1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore

Part Number: DMS-1-3975-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3970-4000

Piston Set, 400M SBF 400M 1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3970-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3362-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series -31cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-1-3362-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3366-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series +6cc Dome Top inline Piston Set. 4.000 bore

Part Number: DMS-1-3366-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3374-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 1-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.000 bore

Part Number: DMS-1-3374-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3375-4000

Piston Set, 408W /5.8 Clevor Stroker SBF 351W 1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore

Part Number: DMS-1-3375-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3350-4000

408W F PISTON 4.000

Part Number: DMS-1-3350-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3352-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-1-3352-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3358-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-1-3358-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-3360-4000

Piston Set, 408W /5.8 Stroker SBF 351W 1-FX Series -22cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-1-3360-4000

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today