Availability
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 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 351W K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K1-3401-4040
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 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 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 331 Stroker SBF 289 - 302 K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.060 bore
Part Number: DMS-K1-3251-4060
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K1-3251-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
-2cc Flat Top SBF Twisted Wedge Forged 4032
Part Number: DMS-K1-3252-4125
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.030 bore
Part Number: DMS-K1-3175-4030
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.000 bore
Part Number: DMS-K1-3002-4000
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, Boss 331 Stroker SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.030 bore
Part Number: DMS-K1-3270-4030
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 289 / 302 / 5.0 SBF 289 - 302 K1-FX Series +6cc Dome Top inline Piston Set. 4.030 bore
Part Number: DMS-K1-3416-4030
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 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: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 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 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.030 bore
Part Number: DMS-K1-3018-4030
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 363 Stroker SBF 289 - 302 K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.165 bore
Part Number: DMS-K1-3151-4165
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 363 Stroker SBF 289 - 302 K1-FX Series -22cc Dish Top Boss/Canted Piston Set. 4.165 bore
Part Number: DMS-K1-3173-4165
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, Boss 363 Stroker SBF 289 - 302 K1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.185 bore
Part Number: DMS-K1-3175-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
PISTON AND RING KIT
Part Number: DMS-K1-3252-4040
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
+7.5cc Dome Top 351 Cleveland \ Boss Open & Closed Chamber Forged 4032
Part Number: DMS-K1-3275-4165
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.000 bore
Part Number: DMS-K1-3120-4000
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 363 Stroker SBF 289 - 302 K1-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K1-3168-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 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 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 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 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 371 Stroker SBF 289 - 302 K1-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K1-3001-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, 371 Stroker SBF 289 - 302 K1-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K1-3002-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Piston Set, Boss 363 Stroker SBF 289 - 302 K1-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.185 bore
Part Number: DMS-K1-3120-4185
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
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