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D.S.S. FX-Series Forged Piston and Ring Kits

5.0 out of 5 stars 5 Customer Reviews

Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today's power levels? DSS FX Series piston and ring kits increase
Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today's power levels? DSS FX Series piston and ring kits increase your horsepower potential without killing the budget. Forged and machined with your choice of premium aircraft quality 4032 or 2618 alloy, these kits are a great choice for naturally aspirated, nitrous, or boosted engines with the added strength from the internal gussets. Additional CNC milling removes material in non-critical areas to achieve a lighter weight for the perfect balance of strength, power, and longevity. Kit includes a DSS XP piston ring set
Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today's power levels? DSS FX Series piston and ring kits increase your horsepower potential without killing the budget. Forged and machined with your choice of premium aircraft quality 4032 or 2618 alloy, these kits are a great choice for naturally aspirated, nitrous, or boosted engines with the added strength from the internal gussets. Additional CNC milling removes material in non-critical areas to achieve a lighter weight for the perfect balance of strength, power, and longevity. Kit includes a DSS XP piston ring set featuring gas nitrided steel top rings, Napier second rings, and flex vent oil rings.

FX Series pistons feature the patented X Groove skirt design which reduces damage caused by fuel wash down and break-in debris for superior skirt, cylinder and ring life. For stroker engines, the advanced skirt design improves piston stability and ring seal which provides quieter operation.

Features include:

* Forced pin oiling
* Drilled bottom land intersecting oil groove drain backs
* Pin lock ring removal slot
* Precision honed piston pin bores
* High-strength piston wrist pins
* Deep CNC valve reliefs

Results 1 - 9 of 9

Piston Set, 351W / 5.8 SBF 351W K1-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.030 bore

Part Number: DMS-K1-3558-4030

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 427W /5.8 Clevor Stroker SBF 351W K1-FX Series -22cc Dish Top Boss/Canted Piston Set. 4.125 bore

Part Number: DMS-K1-3373-4125

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 408W /5.8 Stroker SBF 351W K3-FX Series -4cc Flat Top inline Piston Set. 4.000 bore

Part Number: DMS-K3-3350-4000

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 331 Stroker SBF 289 - 302 SX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.060 bore

Part Number: DMS-K8857-4060

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

PISTONS

Part Number: DMS-K1-3362-4040

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Pistons, K2 1-FX Series, 4.030 bore, -18cc Dish Top Inline/Twisted Wedge, with Piston Rings, 4032 Alloy Forged Aluminum, Ford, 351W, Set of 8

Part Number: DMS-K2-3358-4030

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 347 Stroker SBF 289 - 302 K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.040 bore

Part Number: DMS-K1-3151-4040

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 363 Stroker SBF 289 - 302 K1-FX Series +6cc Dome Top inline Piston Set. 4.155 bore

Part Number: DMS-K1-3166-4155

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Piston Set, 363 Stroker SBF 289 - 302 K2-FX Series +6cc Dome Top inline Piston Set. 4.125 bore

Part Number: DMS-K2-3166-4125

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

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