
Harley performance Racing Twin Cam 110 cylinders, They are factory Harley performance 110 cylinders (DROP IN) they have been Torque plate honed to correct clearance to fit a New set of Wiseco Forged flat top pistons race series piston kit, with rings, pins and clips. The 110 HD cylinders are a 4.00 bore drop in no case boring for your 96 inch Twin Cam Engines makes 110 with the forged piston kit supplied. Rings Will be fitted to cylinders.