Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.60 Ratio - AFR Eliminator Heads - Small Block Chevy (Set of 16) 31013R Tungsten steel taps are titanium

Tungsten steel taps are titanium coated

Easily bolts to any flat surface

5 in ID Spring

Compatible with Flex Fuel (E85/E90) and all types of gasoline (100% Alcohol fuels may diminish fuel pump life)

Jesel Sportsman Shaft Mount Roller Rocker Arm - 1.60 Ratio - AFR Eliminator Heads - Small Block Chevy (Set of 16) 31013R Tungsten steel taps are titaniumProduct Description: Rocker Arm Sportsman Shaft Mount 1. 60 Ratio Full Roller Aluminum Natural AFR Eliminator Heads Small Block Chevy Set of 16 Dan Jesel realized early on that the success and demand for his high end valvetrain components was in part dependent on huge valve lifts, unheard of spring pressures and rpm that most thought was impossible. So he started on a 10 year quest to perfect the roller lifter. After nearly nine years of R&D and