Summit Racing Pistons & Piston Rings

Pro LS 2618 Forged Piston, 4.075 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-326943407512

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP415516

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

Part Number: SUM-133-M139-40

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Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP412512

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Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 12cc dish, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9

Part Number: SUM-326945400512

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Forged Pro pistons for SB Chevy 302, 4.040 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302040

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Forged Pro pistons for Pontiac 455, 4.190 bore, 1.490 C.H., 4.210 in. stroke, 6.625 in. rod, 17cc dish, 11.4:1@64cc, 10.5@72cc, 9.9@80cc, 9.3@87cc.

Part Number: SUM-BBP455030

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Pro LS 2618 Forged Piston, 4.005 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-326943400512

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP415543

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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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Pistons, Forged Aluminum, Flat, 4.020 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C-20

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

Part Number: SUM-GP450016

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Pro LS 2618 Forged Piston, 4.065 bore, 1.110 C.H., 21cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-110927406521

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Pro LS 2618 Forged Piston, 4.075 bore, 1.110 C.H., 21cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-110927407521

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP404016

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Forged Pro pistons for SB Chevy 302, 4.030 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302030

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Forged Pro pistons for SB Chevy 350, 4.000 bore, 1.560 C.H., 3.48 in. stroke, 5.7 in. rod, 5cc flat top. 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72cc.

Part Number: SUM-SBC350000

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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP403010

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Piston Rings, Plasma Moly Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 3.820 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-136SM8531045

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Piston Rings, Pro GPX Gas Ported, 4.020 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP402015

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: SUM-17303C-30

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, Ford, Set of 8

Part Number: SUM-17303C-60

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Pro LS 2618 Forged Piston, 3.820 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-1109273820-5

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Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553240

3.33 out of 5 stars ( 3 )

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Piston Rings, Cast Iron, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-60

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