Chevy Hi-Performance Homepage Chevy High Performance
Facebook Click here to find out more!
Prev  Next
 
P174972 Image Large
P174972 Image Large
Increasing the rocker ratio does more than just add peak valve lift. Higher-lift rockers also increase overlap by adding lift at all points within the overlap triangle. This has the effect of reducing idle vacuum. View Related Article
P174970 Image Large P174971 Image Large P174972 Image Large P174973 Image Large P174974 Image Large P174975 Image Large
Chevy High Performance
Chevy Hi-Performance