Titanium Retainers Set of 16For use with Sprng # 221427-16 / 221437-16 and Valve Locks # Stock
|Valve Stem Diameter:
Manley titanium retainers are manufactured in the very best dual spindle CNC machines to exacting tolerances rendering a superior jewel-like finish. We only use rugged and certified, heat treated aerospace grade titanium bar stock.
Retainer angles are held to within 6 (minutes) (this is a tenth of a degree) and installed heights are held to within .005!
Titanium retainers are a must for your high revving Chevy, Ford or Chrysler engine. Their lighter mass allows the motor to turn higher engine speeds and still avoid dangerous valve float; without sacrificing reliability.