Summit Racing Pistons & Piston Rings

Pro LS 2618 Forged Piston, 4.005 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9,

Part Number: SUM-3269454005-2

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Piston Rings, Pro HEMI, 4.090 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-409012

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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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Forged Pro pistons BB Chevy 496, 4.310 bore, 1.270 C.H., 4.25 in. stroke, 6.385 in. rod, 15cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.

Part Number: SUM-BBC496060

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Piston Rings, Pro GPX Gas Ported, 4.630 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP463016

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Forged Pro pistons BB Chevy 396, 4.125 bore, 1.765 C.H., 3.76 in. stroke, 6.135 in. rod, 32cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.6@119cc

Part Number: SUM-BBC396125

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Pistons, Forged Aluminum, Flat, 4.030 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17406C-30

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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

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Forged Pro pistons for SB Chevy 400 Long Rod, 4.155 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-SBC400030L

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Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP453016

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Pro LS 2618 Forged Piston, 3.903 bore, 1.299 C.H., 7cc dish, Std. Stroke, 6.125 Full-floating Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273903-7

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Piston Rings, Iron, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551960

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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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Pro LS 2618 Forged Pistons. 3.820 bore, 1.326 C.H., 2cc dome, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8

Part Number: SUM-326943820-2F

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Piston Rings, Iron, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-135-2M551930

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

Part Number: SUM-17303C-60

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Piston, Pro LS, 4.070 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S434070-2

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP406064

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.535 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP453515

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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 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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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP404043

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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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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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