Pistons, Rings, Wrist Pins, Bushings & More

Forged Pro pistons for 302 Windsor, 4.030 bore, 1.605 C.H., 3 in. stroke, 5.090 in. rod, 3cc flat top 9.9@58cc, 9.7@60cc, 9.2@64cc, 9:1@66cc.

Part Number: SUM-SBF302030F

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 3.898 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP389815

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Piston Rings, Pro Seal, Gas Nitrided, 4.125 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, Single Piston, Set

Part Number: JEP-JG31F8-41252

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4030H

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Pro GPX Gas Ported, 4.165 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP416516

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400512

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Piston Rings, Pro GPX Gas Ported, 4.350 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP435016

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Pro LS 2618 Forged Pistons. 3.810 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-326945810-2P

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP462543

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 4/20/2026 if shipped by air

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP404012

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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-299S27403012

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Plasma Moly Steel Top, Ductile Napier Second, Standard Tension Oil, File fit for 4.560 in. Bore, 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-85454560

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.560 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-45605

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.030 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-SBC383030L

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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-326S454000-2

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Plasma-Moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Set

Part Number: JEP-S100S8-41255

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Gas Nitride Steel Top, Ductile second, Std. Tension oil, File Fit for 4.155 in. bore 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9050030

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP450046

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Piston Rings, Gas Nitrided, 4.000 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG310840007

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Estimated Ship Date: May 8, 2026 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.060 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP406016

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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