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spring cups are manufactured from 4140 steel case hardened to a minimum of
and 850 horsepower in big block applications
Engine Pro Performance Stainless Valves 01-2301 Specifications
Engine Pro Performance Nitro Black Valves 01-3003 Specifications
Engine Pro Performance E15000 Series Nitro Black Engine Bearings 11E743HDK8 Specifications
Engine Pro Performance Roller Valve Lifters 17-4867-16 spring cups are manufactured fromEngine Pro Performance Roller Valve Lifters 17 4867 16 Specifications Bodyd: 0. 903 Rolld: 0. 810 Description: Sbc . 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 Sb Mechanical Roller Lifters