Pistons, Rings, Wrist Pins, Bushings & More

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 12/8/2025

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Forged Pro pistons BB Chevy 427, 4.310 bore, 1.765 C.H., 3.76 in. stroke, 6.135 in. rod, 27cc open/closed ch. Dome 10.5@110cc, 10.1@114cc, 9.7@119cc.

Part Number: SUM-BBC427060

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Estimated Ship Date: Monday 12/8/2025

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Pro LS 2618 Forged Piston, 3.898 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-2999273898-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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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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Estimated Ship Date: Monday 12/8/2025

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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-299S274000-2

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Estimated Ship Date: Monday 12/8/2025

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Cast Iron, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-661-30

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

Pro LS 2618 Forged Piston, 4.070 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-110927407021

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Pistons, Forged, Flat, 4.000 in. Bore, Ford, Set of 8

Part Number: SUM-17370FC-00

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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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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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.155 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP415564

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP412543

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Estimated Ship Date: Monday 12/8/2025

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Pistons, Pro LS, 2618 Forged, 4.125 in. Bore, 6.125 in. Rod, 4.00 in. Stroke, -4cc Dome, 1.110 in. Compression Height, Chevrolet, LS, 7.0L, Set of 8

Part Number: SUM-1109274125-4

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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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 12/8/2025

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Piston Rings, Cast Iron, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-60

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Estimated Ship Date: Monday 12/8/2025

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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Estimated Ship Date: Monday 12/8/2025

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Pistons, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-40

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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

Part Number: TSR-CR9190-65

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403043

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SUM-GP406525

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 3.630 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363012

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 3.635 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP363512

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.360 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP436016

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Estimated Ship Date: Monday 12/8/2025

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