Availability
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Pro LS 2618 Forged Piston, 4.030 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-3269434030-2
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
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Pro LS 2618 Forged Piston, 4.030 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9,Set of 8
Part Number: SUM-326943403012
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Hypereutectic, Chevy, GMC, 6.0 LS, Set of 8
Part Number: SLP-H1506CPA75MM
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Hypereutectic, Flat, 4.030 in. Bore, Cadillac, Chevy, GMC, Hummer, Set of 8
Part Number: SLP-H1129CPA75MM
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Hypereutectic, Flat, 102.35mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8
Part Number: UEM-3517HC-75MM
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Rings, SX-Series, Forged, 10.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1831-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, SX-Series, Forged, 3.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1830-4030
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Piston Set, 6.0 / LS2 / L98 / LQ9 LS E Series +3cc LS Flat Top Piston Set. 4.030 bore
Part Number: DMS-8785-4030
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Rings, FX-Series, Forged 4032, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2830-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 10.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K3-2831-4030
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Pistons, Rings, FX-Series, Forged 4032, 15.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2833-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2831-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, Rings, SX-Series, Forged, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1830-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, Rings, SX-Series, Forged, 22.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1834-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, FX-Series, Forged, 6.00cc Dome, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-2-2832-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 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-326S434030-2
Not Yet Reviewed
Estimated Ship Date: Monday 1/12/2026
Estimated Ship Date: Monday 1/12/2026
Piston - GM 6.0L 05-09 vin code U 0.75MM (Reduced Compression)
Part Number: MAH-2243664075MM
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Piston - GM 6.0L 02-05 vin code U 0.75mm (Reduced Compression)
Part Number: MAH-2243663075MM
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Piston - 6.0L 06-09 FLOATING PIN. GM TRUCKS VIN CODE H 0.75MM (Reduced Compression)
Part Number: MAH-2243665075MM
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Single Piston
Part Number: MAH-S0064
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2930-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 10.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2931-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 6.00cc Dome, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2932-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 15.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2933-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 15.00cc Dish, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2833-4030
Not Yet Reviewed
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 2026 if ordered today
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Summit Racing™ Pro LS Forged Pistons SUM-326943403012
