Summit Racing Pistons & Piston Rings

Pistons, Forged Aluminum, Flat, 3.780 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17400C

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/8/2025

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Pro LS 2618 Forged Pistons. 3.810 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943810-7F

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, Chevy, Set of 8

Part Number: SUM-17351C-20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/8/2025

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Pro LS 2618 Forged Piston, 4.070 bore, 1.299 C.H., 12cc Dish, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-299927407012

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Piston Rings, Plasma-Moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553230

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/8/2025

Forged Pro pistons for Chrysler 383, 4.280 bore, 1.920 C.H., 3.375 in. stroke, 6.358 rod, 4cc flat top. 9.5@75cc. 9.25@78cc, 8.75@84cc, 8.5:1@88cc.

Part Number: SUM-BBM383030

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Pro LS 2618 Forged Piston, 3.903 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273903-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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Pro LS 2618 Forged Piston, 4.065 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-326943406512

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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, 4.040 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, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP412515

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Pro LS 2618 Forged Piston, 3.810 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-1109273810-5

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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Forged Pro pistons BB Chevy 540, 4.500 bore, 1.270 C.H., 4.25 in. stroke, 6.385 in. rod, 8cc open/closed ch. Dome 10.6@110cc, 10.2@114cc, 10:1@119cc.

Part Number: SUM-BBC540STD

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Pro LS 2618 Forged Piston, 3.810 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-110927381012

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Pro LS 2618 Forged Pistons. 3.785 bore, 1.299 C.H., 7cc dish, Std. Stroke, .6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-2999273785-7

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

Part Number: SUM-133-139-40

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/8/2025

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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Pro LS 2618 Forged Piston, 4.070 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-326943407012

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Pro LS 2618 Forged Piston, 4.070 bore, 1.326 C.H., 2cc Dome, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-3269434070-2

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

Part Number: SUM-17370FC-40

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Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-M139-30

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 9/8/2025

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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Forged Pro pistons for SB Chevy 327, 4.040 bore, 1.671 C.H., 3.25 in. stroke, 5.7 in. rod, 0cc net vol. dome. 11:1@58cc, 10.2@64cc, 9.8@67cc, 9.3@72cc

Part Number: SUM-SBC327040

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Forged Pro pistons for SB Chevy 400 Long Rod, 4.125 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC400STDL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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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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