Pistons, Rings, Wrist Pins, Bushings & More

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-299S273780-2

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Pro GPX 89mm/3.504 Gas Ported Rings, Forged Sport Compact pistons,File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8900XX

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Estimated Ship Date: Monday 12/8/2025

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-299S274030-2

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Estimated Ship Date: Monday 12/8/2025

Piston Rings, Pro GPX Gas Ported, 4.070 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP407016

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Cast Iron, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-661-00

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-60

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Estimated Ship Date: Monday 12/8/2025

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Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Each

Part Number: SUM-17400C-20-1

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Estimated Ship Date: Monday 12/8/2025

Pistons, Forged Aluminum, Flat, 3.810 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17402C-30

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Estimated Ship Date: Monday 12/8/2025

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Forged Pro pistons for SB Chevy 350, 4.040 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-SBC350040

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.010 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP401010

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.135 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP413515

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Estimated Ship Date: Monday 12/8/2025

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Forged Pro pistons for 302 Windsor, 4.040 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-SBF302040D

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Estimated Ship Date: Monday 12/8/2025

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Forged Pro pistons for 351W Stroker, 4.040 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-SBF408040

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Estimated Ship Date: Monday 12/8/2025

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Forged Pro pistons BB Chevy 565, 4.600 bore, 1.120 C.H., 4.25 in. stroke, 6.535 rod, 8cc open/closed chamber Dome 11:1@110cc, 10.7@114cc, 10.2@119cc.

Part Number: SUM-BBC54046008L

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Estimated Ship Date: Monday 12/8/2025

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

Part Number: SUM-17303C-00

3.67 out of 5 stars ( 3 )

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-299S273903-3

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Pro GPX 87.5mm/3.445 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8750XX

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

Piston Rings, Pro GPX Gas Ported, 3.937 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP393712

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Complete Set, 3.876 in. Bore, 0.010 in. Oversize, Ford, 6.4L Powerstroke, Set

Part Number: SUM-5741D-25

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.075 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP407515

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Estimated Ship Date: Monday 12/8/2025

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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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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 3.780 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP378016

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro HEMI, 4.055 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-405512

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 4.625 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP462516

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Estimated Ship Date: Monday 12/8/2025

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Piston Rings, Pro GPX Gas Ported, 75.5mm/2.972 in. Bore, Honda D Series Forged, File Fit, Gas Nitride, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston

Part Number: SUM-GP7550XX

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025