These CBM Motorsports Xtreme Duty exhaust valves are manufactured by Manley Performance Products to CBM Motorsports exact specifications right here in the USA. They are designed for CBM Motorsports Pro-X and LS3X series cylinder heads and are constructed of XH-432 exotic stainless steel.
Manley Performance is indisputably a leading manufacturer of performance and racing components in the world. The reason for Manley's overwhelming success is simple: Quality. Manley offers the best materials in the industry exclusive materials that other manufacturers do not possess.
Sold as a set of 8.
Pro-X and LS3X cylinder heads.
This product, due to it`s intended use, is sold without warranty.