A bolt on upgrade, these heavy duty, pedestal mount roller rockers are designed to replace the factory style rocker system on factory heads that have not been modified for larger rocker arm studs. These are a perfect upgrade for engines already built with a stock configuration. Rockers are adjustable and include everything needed for installation. 5/16 pedestal mount rockers with an adjustment screw to set lash.
Rocker Arms, Pedestal Mount, Full Roller, Aluminum, Orange, 1.6 Ratio, 5/16 in., Oldsmobile, V8, Set of 16