Pistons, Rings, Wrist Pins, Bushings & More

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

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Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP425016

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Piston Rings, Plasma-moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4040H

5.0 out of 5 stars ( 1 )

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

Piston Rings, Pro GPX Gas Ported, 4.390 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP439016

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Forged Pro Pistons for SB Chevy 433, 4.155 bore, 1.000 C.H. , 4 in. stroke, 6 in. rod, 18cc volume, 11.2@58cc, 10.5@64cc, 10.25@67cc, 9.75@72cc

Part Number: SUM-SBC427030

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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 flat top 9.9@58cc, 9.7@60cc, 9.2@64cc, 9:1@66cc.

Part Number: SUM-SBF302030F

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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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Piston Rings, Pro GPX Gas Ported, 4.400 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP440016

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Pro LS 2618 Forged Piston, 3.903 bore, 1.110 C.H., 16cc dish, 4.000in. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-110927390316

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Forged Pro pistons for SB Chevy 302, 4.040 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302040

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Pistons, Pro Tru, Forged, Flat Top, 4.110 in. Bore, AMC, 360, Set of 8

Part Number: WIS-PTS539A3

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Estimated Ship Date: May 13, 2026 if ordered today

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Piston Lock Ring Each

Part Number: SLP-LR63

4.36 out of 5 stars ( 11 )

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

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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Pistons, Forged, Flat Top, 4 Valve Reliefs, 4.020 in. Bore, GM 604 Crate Engine, Set of 8

Part Number: MLE-930127820

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Estimated Ship Date: May 7, 2026 if ordered today

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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, 4.600 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S846005

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Pro LS 2618 Forged Piston, 3.820 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-110927382012

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Forged Pro pistons for SB Chevy 302, 4.030 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.

Part Number: SUM-SBC302030

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

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Set of 8

Part Number: SLP-H859CP30

4.8 out of 5 stars ( 5 )

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

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Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.390 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8520035

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

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Piston and Ring Kit, Pro Tru Street, Forged Aluminum, 4.110 in. Bore, -21cc Dish, AMC 360 cu., Set of 8

Part Number: WIS-PTS538A3

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Estimated Ship Date: May 13, 2026 if ordered today

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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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