Chrome Moly Piston Rings

Prior to the advent of moly chrome plated top rings enjoyed widespread use in high performance engines.

Chrome moly piston rings.

Recommended for all racing applications where file fitting the ring end gap will deliver maximum power. According to joe moriarty of tse racing engines greenland nh about the only applications. When asked if he wants a piston ring set with moly chrome or cast iron faced top compression rings the mechanic often returns the question to the jobber salesman by saying what should i use there is some confusion in the trade as to what type ring set should be used. Chrome file fit ring sets are listed by bore diameter and list available over sizes.

The face of the top rings in these sets are electroplated with chromium to provide a surface. Moly this ring set is highly resistant to scuffing. As we ll see the process is somewhat specific and less than rewarding if you screw it up. Cast iron by nature is very brittle and therefore not as strong as gas.

Chrome rings on the other hand require a coarser finish usually achieved with 280 grit stones before they agree to seal properly. This goes way beyond just choosing the right break in oil although that s an excellent start. At hastings we manufacture a bold and broad offering of piston rings one that spans thousands of applications for virtually any engine. The first is carbon s teel which is a much more malleable material than cast iron is able to handle higher temperatures without losing temper and is better able to withstand bouts with detonation.