Summit Racing Pistons & Piston Rings

Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP450043

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Forged Pro pistons BB Chevy 427, 4.280 bore, 1.765 C.H., 3.76 in. stroke, 6.135 in. rod, 27cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.

Part Number: SUM-BBC427030

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Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43780-2F

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 3.790 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP379010

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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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Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407512

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: SUM-17303C-40

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Piston Rings, Pro GPX Gas Ported, 3.898 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP389815

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Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP428064

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Pro LS 2618 Forged Piston, 3.903 bore, 1.326 C.H., 3cc mini dome, Std. Stroke, Gen. 3 Press-fit Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-3269453903-3

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP400064

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Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP416043

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Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400012

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Piston Rings, Pro GPX Gas Ported, 4.610 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP461043

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Forged Pro pistons for Big Block Ford 460, 4.390 bore, 1.760 C.H., 3.580 in. stroke, 6.605 in. rod, 6cc flat top, 10.6@75cc, 9.3@90cc, 8.9@96cc.

Part Number: SUM-BBF460030

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Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP408016

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Forged Pro pistons for Chrysler 360 stroker, 4.030 bore, 1.465 C.H., 4 in. stroke, 6.123 in. rod, 15cc Dish 10.9@60cc, 10.5@63cc, 10.3@65cc, 9.6@73cc

Part Number: SUM-360030STR

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Forged Pro pistons for BB Chevy 454, 4.310 bore, 1.645 C.H., 4 in. stroke, 6.135 in. rod, 21cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.

Part Number: SUM-BBC454060

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Piston Rings, Cast Iron, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-40

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Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP402012

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Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383040

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Forged Pro pistons for 302 Windsor, 4.030 bore, 1.605 C.H., 3 in. stroke, 5.090 in. rod, 3cc dome 10.7@58cc, 10.4@60cc, 9.9@64cc, 9.7:1@ 66cc.

Part Number: SUM-SBF302030D

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Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4600446

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Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP412543

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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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