Comp Cams GM LS3 Upgraded OEM Rocker Arms Ratio 1.7
Comp Cams GM LS3 Upgraded OEM Rocker Arms Ratio 1.7
The Comp Cams 1478-16 GM LS3 Upgraded OEM Rocker Arms feature a 1.7 ratio, providing improved valve lift and durability with a trunnion-upgraded design.