Summit Racing Pistons & Piston Rings

Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.040 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383040L

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Estimated Ship Date: Monday 2/9/2026

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Forged Pro pistons for SB Chevy 350, 4.060 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-SBC350060

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Estimated Ship Date: Monday 2/9/2026

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Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434070-2

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Estimated Ship Date: Monday 2/9/2026

Pro GPX 81mm/3.189 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8100XX

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Estimated Ship Date: Monday 2/9/2026

Pro GPX 88mm/3.465 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set

Part Number: SUM-GP8800XX

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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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Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP418543

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP401012

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Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP450015

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Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP408012

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Estimated Ship Date: Monday 2/9/2026

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Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434005-2

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Estimated Ship Date: Monday 2/9/2026

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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Pro LS 2618 Forged Piston, 4.040 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-3269454040-2

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Forged Pro pistons for Pontiac 400, 4.150 bore, 1.715 C.H., 3.75 in. stroke, 6.625 in. rod, 6cc flat top, 11.3@64cc, 10.3@72cc, 9.6@80cc, 9:1@87cc.

Part Number: SUM-BBP400030

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.060 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383060L

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Estimated Ship Date: Monday 2/9/2026

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Forged Pro pistons for 351W Stroker, 4.030 bore, 1.280 C.H., 4 in. stroke, 6.200 in. rod, 18cc dish Inline and Twisted Wedge, 10.5@60cc, 10.2@64cc.

Part Number: SUM-SBF408030

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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

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Estimated Ship Date: Monday 2/9/2026

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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, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4500446

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Estimated Ship Date: Monday 2/9/2026

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP406012

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400515

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Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP416515

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Piston Rings, Plasma Moly Steel Top, Ductile Napier Second, Standard Tension Oil, File fit for 4.600 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-85454600

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Estimated Ship Date: Monday 2/9/2026

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Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C-20

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Pro GPX 96mm/3.780 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9600XX

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Estimated Ship Date: Monday 2/9/2026