Availability
D.S.S. FX-Series Forged Piston and Ring Kits
3 Customer Reviews
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
Showing In Stock Items. Show All 1564 Items.
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: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 15.00cc Dish, 4.165 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2943-4165
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 29.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2925-4030
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 4.070 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2922-4070
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 5.00cc Flat, 4.075 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2940-4075
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 4.070 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2822-4070
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 3.898 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2812-3898
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.065 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2942-4065
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 15.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2943-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2832-4030
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 29.00cc Dish, 4.075 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2945-4075
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 15.00cc Dish, 4.125 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2943-4125
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 4.075 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2922-4075
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 10.00cc Dish, 4.075 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2821-4075
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 10.00cc Dish, 4.130 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2941-4130
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 5.00cc Flat, 3.913 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2900-3913
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 10.00cc Dish, 4.075 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2831-4075
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 15.00cc Dish, 3.810 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2813-3810
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2830-4030
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2920-4040
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 5.00cc Flat, 3.810 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2810-3810
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 3.903 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2902-3903
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 15.00cc Dish, 4.065 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2833-4065
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 15.00cc Dish, 3.785 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2813-3785
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 15.00cc Dish, 4.130 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2923-4130
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster