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stress relieved
A Must for High Lift / High Spring Pressure Engine Environments
incorporate rolled threads and a perfectly flat surface for maximum poly lock engagement
Engine Pro titanium valve spring retainers are engineered to perform under the most extreme conditions and are inspected to ensure precise tolerances
Engine Pro Performance Roller Valve Lifters 17-5428-16 stress relievedEngine Pro Performance Roller Valve Lifters 17 5428 16 Specifications Bodyd: 0. 903 Rolld: 0. 810 Description: Ls . 903D T B U P P O +. 300 O C Legend for Spec Description P O Pressurized Oiling, HLT HYD Limited Travel 0 to . 005" Preload, NBA Nascar Bearing and Axle, U P Ultra Pro Pressurized Oiling, T B Tie Bar (Vertical or Horizontal), O C Pushrod Seat On Center, UFRS Ultimate Fighter Roller Series Applies to: Chevy Ls Mechanical Roller Lifters