Evolution Big Twin Cylinder Kits

This is a nice drop-on kit that will keep your Twin Cam® buddies on their toes. Using a 3.562 angletop piston and associated cylinder head machine work this yeilds 85ci without ever splitting the cases. Axtells Mountain Motor engine experts can walk you throught the process. Kit comes complete with cylinders,angletop pistons,rings,pins, and gaskets.