COMP Cams Rocker Arm Ultra Golds Arc LS1

These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with an 8mm stud diameter and 1.72 ratio are designed for GM LS applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm. Constructed in the USA after FEA analysis, the Ultra Gold ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19024 rockers feature a 1.72 ratio for use with pedestal mount Chevrolet LS1/2/6. CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy; Designed for high performance street and race engines; Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift; Additional clearance, up to 1.650" O.D. valve spring;