Availability
Pistons
Piston Set, 383C / Boss Stroker SBF 351C K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3721-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K3-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3870-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 302 SBF 289 - 302 K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3871-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 351C /Boss SBF 351C K3-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3920-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K3-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3002-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K3-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3006-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K3-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3008-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3152-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3156-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series -18cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3158-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series -22cc Dish Top Inline / Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3160-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K3-FX Series -4cc Flat Top inline Piston Set. 4.040 bore
Part Number: DMS-K3-3000-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top inline Piston Set. 4.040 bore
Part Number: DMS-K3-3166-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3168-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 347 Stroker SBF 289 - 302 K3-FX Series -22cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3123-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 355 Stroker SBF 289 - 302 K3-FX Series -5cc Flat Top Inline/ Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3001-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3171-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 10.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K3-2871-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 10.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K3-2881-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K3-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3170-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K3-2872-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K3-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.040 bore
Part Number: DMS-K3-3175-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 427W / 5.8 Stroker SBF 351W K3-FX Series -4cc Flat Top Inline Piston Set. 4.040 bore
Part Number: DMS-K3-3200-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, 427W / 5.8 Stroker SBF 351W K3-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.040 bore
Part Number: DMS-K3-3202-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Set, Boss 347 Stroker SBF 289 - 302 K3-FX Series -3cc Flat Top Boss/Canted Piston Set. 4.040 bore
Part Number: DMS-K3-3120-4040
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 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