12 Valve Titanium Valve Spring Retainers With Hardened Locks Fits Cummins

Set of 12 titanium retainers with hardened steel locks. Fits 12 Valve Cummins engines with single valve springs that are stock OD for example 60 pound heavy exhaust brake springs. Titanium valve spring retainers eliminate pull through of locks common with stock retainers at higher rpm’s. One photo shows them being CNC machined in-house.