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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, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-2M4860030
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, Stainless Steel Series Performance, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SN9045030
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, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, Includes Ring Set for One Piston, Each
Part Number: HSN-2M4860S030
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5540030
Not Yet Reviewed
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered 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, Plasma-moly, 4.030 in. Bore, 0.043 in., 0.043 in., 3.0 mm, Thickness, 8-Cylinder, Set
Part Number: JEP-J71408-40305
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, 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, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6
Part Number: HSN-2M4862030
Estimated Ship Date: Jan 30, 2026 if ordered today
Estimated Ship Date: Jan 30, 2026 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5538S030
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
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5538030
Estimated Ship Date: Jan 29, 2026 if ordered today
Estimated Ship Date: Jan 29, 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
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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP403015
