Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Pistons
Showing In Stock Items. Show All 126 Items.
Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9
Part Number: SUM-3269454040-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Pro LS Forged Pistons SUM-3269434040-2
Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8
Part Number: SUM-3269434040-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Set 06-17 CAD/CHV/GMC/Hummer/IZU 6.0L
Part Number: EGN-P50738040
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series +3cc LS Flat Top Piston Set. 4.040 bore
Part Number: DMS-8785-4040
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K2-2832-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2832-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, SX-Series, Forged, 3.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1830-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S454040-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Rings, SX-Series, Forged, 15.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1823-4040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated+Cerakote Forged Pistons, Cath./Rec./Gen.V LT Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 ht., 12cc Dish
Part Number: SUM-326404012TC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 height, 3cc F.T.
Part Number: SUM-3264040-3T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated+Cerakote Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 ht., 8cc Dome
Part Number: SUM-3264040-8TC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated Forged Pistons, Cath./Rec./Gen.V LT Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 height, 12cc Dish
Part Number: SUM-326404012T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 height, 8cc Dome
Part Number: SUM-3264040-8T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274040-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LST 2618 Anodized+Coated+Cerakote Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 ht., 3cc F.T.
Part Number: SUM-3264040-3TC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Set 06-13 CAD/CHV/GMC 6.0L
Part Number: EGN-P50708040
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Piston Set 03-06 CAD/CHV/GMC/Hummer/IZU/PON 6.0L
Part Number: EGN-P50388040
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Piston Set 02-14 CAD/CHV/GMC/IZU/PON 6.0L
Part Number: EGN-P50418040
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2831-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2834-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, FX-Series, XR Wrist Pins, Forged, 29.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-3-2825-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, FX-Series, XR Wrist Pins, Forged, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-3-2824-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 22.00cc Dish, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2824-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 5.00cc Flat, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2830-4040
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
