Summit Racing Pistons & Piston Rings

Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Plasma-Moly, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553430

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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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Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP460043

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Piston Rings, Plasma-Moly, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553260

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP415512

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Pistons, Hypereutectic, Dished, 4.060 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-60

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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

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Pistons, Forged Aluminum, Flat, 4.000 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP404015

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Piston Rings, Plasma-Moly, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553440

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: SUM-17303C-40

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Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.125 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8505005

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Piston Rings, Plasma-Moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553200

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP404064

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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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Estimated Ship Date: Monday 2/9/2026

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Forged Pro pistons Olds 350, 4.087 bore, 1.612 C.H., 3.385 in. stroke, 6 in. rod, 0cc flat top, 10.5@68cc, 10.37@69cc, 10.25@70cc, 9.7@75cc, 9.3@79cc

Part Number: SUM-SBO350030

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP415515

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Piston Rings, Pro GPX Gas Ported, 4.070 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407012

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Pro LS 2618 Forged Pistons. 3.820 bore, 1.326 C.H., 2cc dome, Std. Stroke,.945 pin Press or Float, NA/Boost/Nitrous, Coated, 4.8L 5.3L Vortec Truck

Part Number: SUM-326945820-2P

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.155 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8505035

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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

Part Number: SUM-17303C-60

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Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP416543

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Piston Rings, Pro GPX Gas Ported, 4.440 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP444016

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Pro LS 2618 Forged Piston, 4.040 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-326945404012

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