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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: Today
Estimated Ship Date: Today
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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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.030 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set
Part Number: MLE-4035MS-15
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: SLP-E-921K30
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.030 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set
Part Number: MLE-4035ML-043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-41858CP030
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: TSR-CR1001-35
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston Set
Part Number: WIS-4035HF
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: TSR-CR1009-35
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston Rings, DMR-Series, Plasma-Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: DMS-RSDM2004030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston Rings, Performance, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets
Part Number: MLE-4030MS-15D
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in, 1/16 in. 3.0mm Thickness, 8-Cylinder, Set
Part Number: JEP-J30008-40305
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Piston Rings, DMR-Series, Plasma-Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 1-Cylinder, Set
Part Number: DMS-RSDM1004030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4.030+5 .043 .043 3.0 1CYL
Part Number: TSR-CRH001035-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Ductile Iron, 4.030 in. Bore, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: TSR-TL0010-35
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Oil Ring, Carbon Steel, 4.030 in. Bore, 3.0mm Thickness, Single Piston, Each
Part Number: JEP-H34030030HCU
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
RING-4.030 .043,3mm STL TOP
Part Number: MAN-46223ST-8
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-3150049030
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Piston Rings, Plasma-moly, 4.030 in. Bore, File Fit, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set
Part Number: MAH-3150049035
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: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP403015
