Availability
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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K1-3420-4040
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.030 bore
Part Number: DMS-K1-3425-4030
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.040 bore
Part Number: DMS-K1-3425-4040
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.060 bore
Part Number: DMS-K1-3425-4060
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -4cc Flat Top inline Piston Set. 4.000 bore
Part Number: DMS-K1-3400-4000
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -4cc Flat Top inline Piston Set. 4.030 bore
Part Number: DMS-K1-3400-4030
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
302 F PISTON 4.040
Part Number: DMS-K1-3400-4040
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -4cc Flat Top inline Piston Set. 4.060 bore
Part Number: DMS-K1-3400-4060
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 351W K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3401-4060
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.000 bore
Part Number: DMS-K1-3402-4000
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.030 bore
Part Number: DMS-K1-3402-4030
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K1-3402-4040
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3402-4060
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.000 bore
Part Number: DMS-K1-3406-4000
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K1-3406-4040
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 351W K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.000 bore
Part Number: DMS-K1-3401-4000
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 351W K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.030 bore
Part Number: DMS-K1-3401-4030
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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