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Engine Pro Performance I
Application: 221
All rods are produced on CNC machinery and are finished in the USA to ensure precise big end and pin end bore sizes
Application: 273
Engine Pro Performance Chrome-Moly Steel Roller Rocker Arms 07-1117-16 Engine Pro Performance IEngine Pro Performance Chrome Moly Steel Roller Rocker Arms 07 1117 16 Specifications Stud Diameter: 3 8" Ratio: 1. 6 Applies to: Ford Small Block Description: None Made from high grade chrome moly steel, lighter and three times stronger than aluminum rocker arms Trunion, valve tip roller and shaft made from chrome moly material, heat treated to insure long life Integral push rod seat Design allows clearance for most high performance valve springs