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Total Seal M2 Tool Steel Top Rings
Piston Rings, M2 Tool, Steel, 4.155 in. Bore, 0.043 in. Thickness, Top Ring, Each
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Estimated Ship Date: Apr 20, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
900025
Part Type:
Product Line:
Summit Racing Part Number:
TSR-900025
Bore (in.):
4.155 in.
Bore (mm):
105.537mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
0.043 in.
Top Ring Material:
Steel
Top Ring Facing Material:
Steel
Second Ring Included:
No
Oil Ring Included:
No
Quantity:
Sold individually.
Total Seal M2 Tool Steel Top Rings
Total Seal M2 tool steel top rings are engineered to be tough. Manufactured from the most advanced tool steel, these piston rings feature uniform barrel face profiles for smooth, quick seating. They hold an axial tolerance of .00015 in., are tested to be 100 percent light tight in their respective bore sizes, and are available in gapless and conventional styles with or without Total Seal's proprietary C-69 PVD face coating for additional friction reduction. M2 tool steel top rings are designed for your extreme applications, like Top Fuel, Pro Mod, nitrous or turbo, and similar applications.
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