Summit Racing Pistons & Piston Rings

Pro LS 2618 Forged Pistons. 3.785 bore, 1.326 C.H., 7cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945785-7P

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Estimated Ship Date: Jun 9, 2025 if ordered today

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Piston Rings, Iron, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551940

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 3.563 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP9050XX

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Estimated Ship Date: Monday 5/5/2025

Piston Rings, Pro GPX Gas Ported, 3.396 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP8625XX

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Estimated Ship Date: Monday 5/5/2025

Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP407510

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Estimated Ship Date: Jun 9, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP413510

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 4.350 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP435015

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Estimated Ship Date: Jun 9, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP416512

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Estimated Ship Date: Jun 9, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.560 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4560446

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 4.400 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP440016

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 4.055 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP405512

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP416515

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP418510

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Estimated Ship Date: Monday 5/5/2025

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Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C

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Estimated Ship Date: Monday 5/5/2025

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Piston, Hypereutectic, Flat, 4.060 in. Bore, Chevy, Each

Part Number: SUM-17351C-60-1

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Estimated Ship Date: Monday 5/5/2025

Pistons, Forged, Flat, 4.020 in. Bore, Ford, Set of 8

Part Number: SUM-17370FC-20

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Estimated Ship Date: Jun 27, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, Ford, SBF, Each

Part Number: SUM-17302C-00-1

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Estimated Ship Date: Jun 9, 2025 if ordered today

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Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.945 Pin Diameter, Chevy, Each

Part Number: SUM-326S45780-2P

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Estimated Ship Date: Monday 5/5/2025

Piston Rings, Pro GPX Gas Ported, 3.386 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8600XX

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Estimated Ship Date: Monday 5/5/2025

Piston Rings, Pro GPX Gas Ported, 3.917 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP9950XX

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Ford 6.0 Powerstroke, 2004-07, 3.770 in. .75mm oversize, Standard height, 32cc piston set

Part Number: SUM-PWR6075

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Estimated Ship Date: Monday 5/5/2025

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Forged Pro pistons BB Chevy 540, 4.5 bore, 1.120 C.H., 4.25 in. stroke, 6.535 rod, 8cc Dome 10.6@110cc, 10.2@114cc, 10:1@119cc.

Part Number: SUM-BBC540STD8L

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Estimated Ship Date: Monday 5/5/2025

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Forged Pro pistons BB Chevy 502, 4.500 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 12cc open/closed chamber Dome 10.5@110cc, 10.2@114cc, 9.8@119cc.

Part Number: SUM-BBC502STD

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Estimated Ship Date: Monday 5/5/2025

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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP406510

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Piston Rings, Pro GPX Gas Ported, 3.820 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP382015

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Estimated Ship Date: Monday 5/5/2025

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