Availability
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Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.005 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045010
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP400512
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Plasma-moly, 4.005 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: HSN-2M139005
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.005 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SN9045005
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Plasma-moly, 4.005 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-2M4860005
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Gas Nitrided, 4.000 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: JEP-JG310840007
Not Yet Reviewed
Estimated Ship Date: Oct 17, 2025 if ordered today
Estimated Ship Date: Oct 17, 2025 if ordered today
Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set
Part Number: SUM-GP400515
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
RING-4.001, 4.005 1.5,3mm STL TOP
Part Number: MAN-46110ST-8
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.005 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L8, V8, W8, Set
Part Number: HSN-2M4726005
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Piston Rings, Steel Series Performance, Plasma-moly, 4.005 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set
Part Number: HSN-SM8565005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Piston Rings, Plasma-moly, 4.005 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set
Part Number: HSN-2M5170005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M4860S005
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Individual Plasma-Moly Steel Piston Rings, Includes Top Ring Only, 4.005 in. Bore, File Fit, 1.2mm Thickness, V8, Set of 8
Part Number: MAH-3010002
Not Yet Reviewed
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Piston Rings, Gas Ported, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR9090GP-5
Not Yet Reviewed
Estimated Ship Date: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 2025 if ordered today
Piston Rings, File Fit, 4.005 in. Bore, HV385 Thermal, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, 8 Sets
Part Number: MLE-4010MS-112
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5508005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Piston Rings, Chromium Nitride, 4.005 in. Bore, 1.5 mm, 1.5 mm, 3.0 mm, Thickness, Single Piston, Set
Part Number: TSR-CSH20105-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Piston Rings, Moly, 4.005 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set
Part Number: SLP-E-408K40
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-2M8542005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5523005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M8571005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M8521005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-SM8537005
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5540005
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-GP400512
