11. Instead of the factory rockers, we decided to upgrade to some stock ratio Crane Cams Blue Racer roller rockers. We were increasing the efficiency of our engine since we were staying with stock ratios while adding these roller rockers, which move more freely and smoothly than the stock rockers,
To put these on our stock heads, we also needed a Crane rocker arm stud conversion kit, part No. 36655-16. Remember that many mods often require other mods.