Summit Racing Pistons & Piston Rings

Pro LS 2618 Forged Piston, 4.000 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-1109274000-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP406016

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.310 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP431064

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP400010

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Iron, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.420 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP442016

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Plasma-Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

Piston Wrist Pins, H-13 Tool Steel, DLC Coated, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each

Part Number: SUM-S720

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Plasma Moly Steel Top, Ductile Napier Second, Standard Tension Oil, File fit for 4.500 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-85454500

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP450046

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP425016

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.070 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407015

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

Pistons, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-00

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Pro GPX 86mm/3.386 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8600XX

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

Pro LS 2618 Forged Pistons. 3.785 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273785-7

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP462546

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407515

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro HEMI, 4.090 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-409012

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.030 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-SBC383030L

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Pro LS 2618 Forged Piston, 3.810 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-1109273810-5

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.390 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP439016

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.085 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP408525

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Pro LS 2618 Forged Piston, 4.000 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-326943400012

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.380 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP438016

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping