Availability
Showing In Stock Items. Show All 771 Items.
Pro LS 2618 Forged Piston, 4.040 bore, 1.110 C.H., 8cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.0 LY6 LQ4 LQ9, Set of 8
Part Number: SUM-1109274040-8
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
BUILD IT WITH SUMMIT!
Pistons, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Set of 8
Part Number: SUM-17383C-40
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pistons, E-Series, Forged, Dish, 4.040 in. Bore, Ford, Set of 8
Part Number: DMS-8741-4040
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9
Part Number: SUM-326945404012
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1923-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Set of 8
Part Number: SLP-H859CP40
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Piston Set, 383 SBC SX Series -28cc Dish Top Piston Set. 4.040 bore
Part Number: DMS-K8126-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged Dish, 4.040 in. Bore, Dodge, Small Block Magnum, Set of 8
Part Number: UEM-IC984-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Piston Set, 360 Mopar 1-FX Series -18cc Small Block Mopar Dish Top Piston Set. 4.040 bore
Part Number: DMS-1-6353-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Ford, Small Block, Kit
Part Number: UEM-KB355KTD-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Pistons, Forged, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Small Block, Set of 8
Part Number: UEM-IC745-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Pistons, Premium Forged, 4.040 in. Bore, Dish, 1.445 in. Compression Height, Press/Float Pin, 1/16 x 1/16 x 3/16 Ring Grooves, Dodge, Jeep, Set of 8
Part Number: UEM-IC983-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Piston Set, 383 SBC E Series -18cc Dish Top Piston Set. 4.040 bore
Part Number: DMS-K8712-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.
Part Number: SUM-SBC383040
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.040 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc
Part Number: SUM-SBC383040L
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Pistons, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Set of 8
Part Number: UEM-1160-040
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Pistons, SX-Series, Forged, Dish, 4.040 in. Bore, Ford, Set of 8
Part Number: DMS-8763-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Set of 8
Part Number: UEM-KB303-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Piston and Ring Kit, Claimer, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-9912HCKTM040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Piston Set, 408W /5.8 Stroker SBF 351W E Series -18cc Dish Top Inline Piston Set. 4.040 bore
Part Number: DMS-K8763-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
-28cc Dish Top SBC 23 Degree Forged 2618
Part Number: DMS-K3-2406-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston Set, 350 SBC SX Series -13cc Dish Top Piston Set. 4.040 bore
Part Number: DMS-K8113-4040
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, KB Performance Claimer, Hypereutectic Aluminum, Dish, 4.040 in. Bore, Chevy, Small Block, Set of 8
Part Number: UEM-9956HC-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Forged Pro pistons for Chrysler 360 stroker, 4.040 bore, 1.465 C.H., 4 in. stroke, 6.123 in. rod, 15cc Dish 10.9@60cc, 10.5@63cc, 10.3@65cc, 9.6@73cc
Part Number: SUM-360040STR
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Piston and Ring Kit, Pro Tru Street, Forged Aluminum, Dish, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: WIS-PTS534A4
Not Yet Reviewed
Estimated Ship Date: Monday 1/5/2026
Estimated Ship Date: Monday 1/5/2026
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.