Availability
DSS Racing Pistons & Piston Rings
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.552 bore
Part Number: DMS-K2-4891-3552
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.572 bore
Part Number: DMS-K2-4891-3572
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.582 bore
Part Number: DMS-K2-4891-3582
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.592 bore
Part Number: DMS-K2-4891-3592
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.681 bore
Part Number: DMS-K2-4891-3681
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -12cc No Valve Relief Dish Top Piston Set. 3.700 bore
Part Number: DMS-K2-4891-3700
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -18cc No Valve Relief Dish Top Piston Set. 3.552 bore
Part Number: DMS-K2-4892-3552
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -18cc No Valve Relief Dish Top Piston Set. 3.572 bore
Part Number: DMS-K2-4892-3572
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 393C / Boss Stroker SBF 351C K2-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K2-3824-4040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 393C / Boss Stroker SBF 351C K2-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K2-3824-4060
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -18cc No Valve Relief Dish Top Piston Set. 3.681 bore
Part Number: DMS-K2-4892-3681
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -18cc No Valve Relief Dish Top Piston Set. 3.700 bore
Part Number: DMS-K2-4892-3700
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -10cc No Valve Relief Dish Top Piston Set. 3.552 bore
Part Number: DMS-K2-4893-3552
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, 5.4 / 5.8 Modular 5.4 - 5.8 K2-FX Series -10cc No Valve Relief Dish Top Piston Set. 3.572 bore
Part Number: DMS-K2-4893-3572
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K2-3870-4000
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K2-3870-4030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K2-3870-4040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K2-3870-4060
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K2-3871-4000
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K2-3871-4030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K2-3871-4040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K2-3871-4060
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore
Part Number: DMS-K2-3875-4000
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.030 bore
Part Number: DMS-K2-3875-4030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.040 bore
Part Number: DMS-K2-3875-4040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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