Our top rings are produced to give our customers the best possible ring seal and minimize blow-by.
- Manufactured from high strength ductile iron for optimum durability
- Plasma molly faced for superior cylinder wall sealing
- Available in black-cut radial depths to reduce parasitic drag and reduce ring flutter in the higher RPM range
- Designed for file fit
- .043 Ductile Moly D-Wall Top Ring .005 Oversize Hell Fire Ring
- Bore: 4.155in








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