Comp Cams FC High Energy Rocker Arm Cooling Fans No drilling required if the

No drilling required if the holes are clean

Polyurethane bushings are a great alternative to someone wanting the race car type part

You'll bolt to existing holes on the rocker panel

Factory mounting points

Comp Cams FC High Energy Rocker Arm Cooling Fans No drilling required if theCOMP Cams Steel Stud Mount Rockers HIGH ENERGY Excellent replacement rockers for engine rebuilds with stock or High EnergyT Cams Help to eliminate noise and slop associated with worn or high mileage stock rocker arms Come with adjusting nuts and pivot balls where required for installation Feature a long slot for compatibility with higher than stock lift camshafts Nitrided rocker arms designed for higher spring pressures and hardened pushrods (see