This 16-piece set of Manley steel valve spring retainers is specified for use with Manley part 221431. The retainers are intended to secure valve springs and associated hardware in high-performance valvetrains, providing the matched component count needed for multiple-cylinder builds. Sold as a complete set to match the referenced Manley spring package for straightforward installation.
Manley 16pc Steel Retainers for Manley 221431