The Edelbrock retainers in this set are specified for use with springs that have a 1.55" O.D. and 1.125" I.D., require 11/32" valve stems and 7-degree locks, and are compatible with #5792 valve springs. Supplied as a set of 16, these retainers are sized for big-block Mopar 440 applications and provide secure spring seating and corrosion-resistant black oxide protection.
Edelbrock 16- Retainers Perf RPM 440 60189 60929 Heads