Availability
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
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston Rings, Pro GPX Gas Ported, 76mm/2.992 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set
Part Number: SUM-GP7600XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Flat, 4.040 in. Bore, Ford, SBF, Each
Part Number: SUM-17302C-40-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro GPX 84mm/3.307 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-GP8400XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro GPX 81mm/3.189 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-GP8100XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Flat, 4.000 in. Bore, Ford, Each
Part Number: SUM-17303C-00-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Dished, 4.060 in. Bore, Chevy, Each
Part Number: SUM-17383C-60-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
ProX Piston Kit KTM65SX '09-22 + TC65 '17-22 (44.99mm)
Part Number: PXR-01-6029-D
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Piston, Hypereutectic, Flat, 4.030 in. Bore, Ford, SBF, Each
Part Number: SUM-17302C-30-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Each
Part Number: SUM-17383-00-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro GPX 82.5mm/3.248 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-GP8250XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro GPX 86.5mm/3.406 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP8650XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro GPX 88mm/3.465 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set, V8, Set
Part Number: SUM-GP8800XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Pro GPX 81.25mm/3.199 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-GP8125XX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
ProX Piston Kit KTM50SX '01-08/KTM50 Advntr '02-08 (39.46mm)
Part Number: PXR-01-6012-A
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
ProX Piston Kit KTM50SX '01-08/KTM50 Advntr '02-08 (39.47mm)
Part Number: PXR-01-6012-B
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
ProX Piston Kit KTM50SX '01-08/KTM50 Advntr '02-08 (39.48mm)
Part Number: PXR-01-6012-C
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
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