Upgrade your 1275cc big bore engine with this Mini & Moke Roller tip rocker assembly 1.5" ratio. This cradle type assembly features a larger upgraded shaft size for improved rigidity, ensuring durability and longevity. With a 1.5 Hi-Lift ratio, this roller tip rocker assembly provides maximum efficiency, reducing friction and cutting down on side loading of the valve stem. To ensure the best performance, be sure to tighten down all posts equally to eliminate stress fractures on the shaft. Invest in the ultimate lightweight alloy valve gear for your Mini or Moke and experience improved engine efficiency.