Availability
DSS Racing Pistons & Piston Rings
Piston Set, 393C / Boss Stroker SBF 351C K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K1-3821-4040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 351W / 5.8 SBF 351W K1-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3558-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3406-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
+6cc Dome Top SBF 20 Degree Inline Forged 4032
Part Number: DMS-K1-3566-4030
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
+6cc Dome Top SBF 20 Degree Inline Forged 4032
Part Number: DMS-K1-3566-4040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
+6cc Dome Top SBF 20 Degree Inline Forged 4032
Part Number: DMS-K1-3566-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 351W / 5.8 Clevor SBF 351W K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K1-3570-4000
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 351W / 5.8 Clevor SBF 351W K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K1-3570-4030
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 351W / 5.8 Clevor SBF 351W K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K1-3570-4040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 393C / Boss Stroker SBF 351C K1-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K1-3824-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 412C / Boss Stroker SBF 351C K1-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.125 bore
Part Number: DMS-K1-3824-4125
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 412C / Boss Stroker SBF 351C K1-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.155 bore
Part Number: DMS-K1-3824-4155
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 412C / Boss Stroker SBF 351C K1-FX Series -31cc Dish Top Boss/Canted Piston Set. 4.165 bore
Part Number: DMS-K1-3824-4165
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.030 bore
Part Number: DMS-K1-3418-4030
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K1-3418-4040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3418-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K1-3420-4000
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K1-3420-4030
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, 4.6 Modular K1-FX Series -21cc 2V PI/TW Dish Piston Set. 3.572 bore
Part Number: DMS-K1-4818-3572
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K1-3420-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K1-3421-4000
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K1-3421-4030
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K1-3421-4040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.060 bore
Part Number: DMS-K1-3421-4060
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.000 bore
Part Number: DMS-K1-3425-4000
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
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