The FOX spring retainer is a machined aluminum retainer with a 4.000" outer diameter and 0.815" thickness, matching a 2.310" bore. Made from 6061 aluminum with a black Type II anodize, it combines light weight with corrosion resistance. Intended for use in valve or spring assemblies that require a retainer of these precise diameter and bore dimensions as a replacement or upgrade.
Fox Spring Retainer 4.000 OD x 0.815 TLG Dia. 2.310 Bore Al 6061 Black Ano II