Availability
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Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier second, Std. Tension oil, File fit for 4.065 in. bore, 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045065
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP406512
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set
Part Number: MAH-42082CP
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set
Part Number: HSN-2M5292
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Performance, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: MLE-4070MS-15
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Performance Piston Ring Sets, Moly, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set
Part Number: SLP-E-997K
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Ring Set
Part Number: HSN-2N5295
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Plasma-moly, 4.065 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR3690-65
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.065 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 2.5mm, Includes Ring Set for One Piston, Each
Part Number: HSN-2M5292S
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Steel Series Performance, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SM8565065
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.065 in. Bore, 1.5mm, 1.2mm, 2.0mm Thickness, V8, Set
Part Number: MAH-42066CP
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Piston Rings, 4.065 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set
Part Number: MLE-4070MS-112
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP406515
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5275
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Piston Rings, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm, 0.050 in. Oversize, Cadillac, Chevrolet, 6.2L, LS, Set
Part Number: HSN-2M5292020
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Cast Iron, 4.065 in. Bore, 1.5mm, 1.5mm, 2.5mm, V8, single piston, Chevy, set
Part Number: NAL-19168090
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8
Part Number: HSN-2M5508065
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-SM8556065
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP406510
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5538065
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
RING-4.065 1.2mm,3mm STL TOP
Part Number: MAN-46016ST-8
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M592065
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP406516
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set
Part Number: SUM-GP406525
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M8521065
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
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Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP406512
