Engine Pro Performance Roller Valve Lifters 17-5520-16

Engine Pro Performance Roller Valve Lifters 17-5520-16 Specifications

• Bodyd: 0.875
• Rolld: 0.700
• Description: Ford Bb & Fe .875D T/B Street Perf Mech Roll

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:

• Ford Bb Mechanical Roller Lifters

Description:

Pro Series Mechanical Roller Valve Lifters

• Intended for sportsman level circle track or drag racing
• Tool steel wheels .750 diameter
• Lifter bodies are machined from al oy steel in the USA
• Fully rebuildable
• Vertical or horizontal tie bar available

Ultra Series Mechanical Roller Valve Lifters

• Our best conventional needle bearing lifter
• Machined, heat treated, centerless ground and finished in house to control quality
• Tool steel bodies
• 9310 axle with loc wire retention

Ultra Series Bushing Mechanical Roller Valve Lifters

• Bushing design replaces needle roller bearings
• Up to 40% increase inload capacity vs. needle design
• Increased capacity for modern cam profiles and spring rates
• Material developed for the aerospace Industry
• Fully rebuildable
• Not for use with oil restrictors