Availability
Pistons
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: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
1-2754-4185-lt1-6-9-chevy-lt-direct-injection-1-fx-series-4032-alloy-series-forged-piston-set-4-185-bore
Part Number: DMS-1-2754-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 375C /Boss SBF 351C 1-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.185 bore
Part Number: DMS-1-3925-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
-2cc Flat Top SBF Twisted Wedge Forged 2618
Part Number: DMS-K332524185C
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 420 SBC SX Series -21cc Dish Top Piston Set. 4.185 bore
Part Number: DMS-8155-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 481 Stroker Olds. 3-FX Series -19cc Olds Dish Top Piston Set. 4.185 bore
Part Number: DMS-3-6013-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 371 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K3-3018-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 420 SBC SX Series -28cc Dish Top Piston Set. 4.185 bore
Part Number: DMS-K8146-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
1-2478-4185-434-small-block-chevy-1-fx-series-4cc-dome-top-forged-piston-set-4-185-bore
Part Number: DMS-1-2478-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
1-2308-4185-400-small-block-chevy-1-fx-series-4cc-dome-top-forged-piston-set-4-185-bore
Part Number: DMS-1-2308-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, FX-Series, XR Wrist Pins, Forged, 29.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-3-2955-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 401 AMC V8 K2-FX Series -3cc AMC Flat Top Piston Set. 4.185 bore
Part Number: DMS-K2-6620-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 375C /Boss SBF 351C 3-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.185 bore
Part Number: DMS-3-3925-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 412C / Boss Stroker SBF 351C K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.185 bore
Part Number: DMS-K3-3821-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
+6cc Dome Top SBF 20 Degree Inline Forged 2618
Part Number: DMS-K232164185C
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
-18cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 2618
Part Number: DMS-K233084185C
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
-31cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 4032
Part Number: DMS-1-3312-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 22.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2954-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1930-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
+4cc Dome Top SBC 23 Degree Forged 2618
Part Number: DMS-3-2108-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 22.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2874-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 10.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2941-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, SX-Series, Forged, 5.00cc Flat, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1930-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 4.185 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2871-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 2026 if ordered today
Piston Set, 371 Stroker SBF 289 - 302 K3-FX Series -13cc Dish Top Inline / Twisted Wedge Piston Set. 4.185 bore
Part Number: DMS-K3-3006-4185
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2026 if ordered today
Estimated Ship Date: Nov 12, 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