Upgrade your 1275cc Mini or Moke (A Series) engine with this Mini & Moke Roller tip rocker assembly. This 1.5" ratio assembly is the ultimate lightweight alloy valve gear, offering maximum efficiency by reducing side loading on the valve stem, minimizing friction and wear, and increasing rigidity. The 1.5 hi-lift design keeps valves open approximately 20% longer at any given point, improving volumetric efficiency without altering the opening and closing periods. This assembly is a must-have for anyone looking to enhance the performance of their engine while also increasing its longevity. Experience smoother operation and optimized engine performance with this Mini & Moke (A Series) Roller tip rocker assembly.