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United Engine and Machine Piston Ring Sets
Piston Rings, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set
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Estimated Ship Date from OH, TX: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
4125AM8.030
Part Type:
Product Line:
Summit Racing Part Number:
UEM-4125AM8-030
UPC:
800745184146
Bore (in.):
4.155 in.
Bore (mm):
105.537mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
5/64 in.
Top Ring Material:
Iron
Top Ring Facing Material:
Moly
Second Ring Included:
Yes
Second Ring Thickness:
5/64 in.
Second Ring Material:
Iron
Second Ring Facing Material:
Cast iron
Oil Ring Included:
Yes
Oil Ring Thickness:
3/16 in.
Oil Ring Tension:
Standard
Oil Ring Material:
Stainless steel
Quantity:
Sold as 8 sets.
United Engine and Machine Piston Ring Sets
United Engine and Machine piston ring sets are made from quality materials. They're available in sizes to seal many different performance engines, will help protect against oil blowby, and feature standard ring end gaps for an easy installation.
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