Availability
Summit Racing Pistons & Piston Rings
Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP408010
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP413016
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 73mm/2.874 in. Bore, Forged Sport Compact, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set
Part Number: SUM-GP7300XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 92.5mm/3.642 Gas Ported Rings, Subaru forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP9250XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 93mm/3.661 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP9300XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 92mm/3.622 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set
Part Number: SUM-GP9200XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 3.907 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP390810
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 89.5mm/3.524 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP8950XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 85mm/3.346 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-GP8500XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 3.796 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP379610
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: SUM-GP416043
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro HEMI, 3.937 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set
Part Number: SUM-393712
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Complete Set, 3.780 in. Bore, 0.040 in. Oversize, Ford, 6.0L Powerstroke, Set
Part Number: SUM-5374D-100
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Complete Set, 3.886 in. Bore, 0.020 in. Oversize, Ford, 6.4L Powerstroke, Set
Part Number: SUM-5741D-50
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Dodge Cummins 5.9L 24V 1998-02 Non-HO, 4.035 bore, .5mm oversize, standard height, 48.3cc, piston set
Part Number: SUM-599802-5
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Dodge Cummins 5.9L 24V HO 04.5-07, 4.055 1mm oversize, Standard height, 45.5cc piston set
Part Number: SUM-59HO0407-1
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Dodge Cummins 5.9L 24V HO ISBE 04.5-07, 4.035 .5mm oversize, Standard height, 45.5cc piston set.
Part Number: SUM-59HO0407-5
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Dodge Cummins 6.7L 24V 2009-13 EJT ISB OSG, 4.232 in. .5mm oversize, Standard height,51.3cc piston set
Part Number: SUM-670913-5
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Complete Set, 4.055 in. Bore, Standard Bore, GM, 6.5L Diesel, Set
Part Number: SUM-4744D-00
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for Chrysler 440, 4.350 bore, 2.065 C.H., 3.75 in. stroke, 6.76 in. rod, 8cc flat top. 10.75@75cc, 10.5@78cc, 9.9@84cc, 9.5@88cc.
Part Number: SUM-BBM440030
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for BB Chevy 565, 4.600 bore, 1.120 C.H., 4.25 in. stroke, 6.535 in. rod, 40cc Dome open chamber only, 14.2:1@114cc, 13.5@119cc.
Part Number: SUM-BBC540460040
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for SB Chevy 350 Long Rod, 4.040 bore, 1.260 C.H., 3.48 in. stroke, 6 in. rod, 5cc flat top 11:1@58cc, 10.2@64cc, 9.9@67cc, 9.4@72.
Part Number: SUM-SBC350040L
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for 383 Stroker Chevy, 4.060 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.
Part Number: SUM-SBC383060
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for 302 Windsor, 4.040 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-SBF302040F
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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