Summit Racing Pistons & Piston Rings

Piston Rings, Pro GPX Gas Ported, 3.917 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, Tabbed Oil Ring, Single Piston Set, L4, Set

Part Number: SUM-GP391710

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 3.927 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, Single Piston Set, L4, Set

Part Number: SUM-GP392710

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 3.935 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP393516

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 3.937 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, Tabbed Oil Ring, Single Piston Set, L4, Set

Part Number: SUM-GP393710

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP400025

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP408015

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.100 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP410015

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP413010

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413015

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 3.110 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP7900XX

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 3.071 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP7800XX

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP413516

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.140 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP414016

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.145 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP414510

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP416510

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston, Pro LS, 3.903 in. Bore, Forged Aluminum, Dome, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S453903-3

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Special Order

Piston Rings, Iron, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551900

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Free Shipping
• Special Order

Pro LS 2618 Forged Piston, 3.780 bore, 1.110 C.H., 12cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-110927378012

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Free Shipping
• Special Order

Piston, Pro LS, 4.075 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S434075-2

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Special Order

Piston, Pro LS, 4.040 in. Bore, Forged Aluminum, Flat Top, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S274040-2

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Special Order

Pro LS 2618 Forged Piston, 3.903 bore, 1.110 C.H., 16cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Each

Part Number: SUM-110S27390316

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Special Order

Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP413543

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP453043

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order