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Closed Load: 161
Engine Pro titanium valve spring retainers are engineered to perform under the most extreme conditions and are inspected to ensure precise tolerances
Closed Load: 135
Head Diameter 1
Engine Pro Performance Roller Valve Lifters 17-5428-16 Closed Load: 161Engine 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