Availability
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Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045035
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP403012
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm., 3.0mm Thickness, Single Piston, Set
Part Number: WIS-4032GFX
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP403015
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, 4.030 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set
Part Number: MLE-4035MS-112
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP403016
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP403010
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Performance, Plasma-moly, 4.030 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, Single Piston Ring Set, V8, Set
Part Number: MLE-4035MS-112-1
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: JEP-JG31F840302
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set
Part Number: SUM-GP403013
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
RING-4.030 1.5,3mm STL TOP
Part Number: MAN-46113ST-8
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
4.025"+0.005 1.0, 1.0, 2.0mm File Fit Rings
Part Number: MLE-4030MS-112-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston Rings, Steel, Chromium Nitride, 4.030 in. Bore, 0.059 in. Thickness, Top Ring, Each
Part Number: TSR-101038
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
RING-4.030 .043,3mm STL TOP
Part Number: MAN-46223ST-8
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
RING-4.030 .043,3mm GAPLESS TOP
Part Number: MAN-46213GT-8
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP403012
