Brand New Part # 330-0663 S&S 100″ Power Package for Twin Cam 88 Models with 585 Easy Start Gear Drive Cams in Silver Fits: 1999-2006 Harley Twin Cam Models The 100″ Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from 88ci to 100ci as well as adding matched cams/cam plate/oil pump and everything else a high performance cam chest needs to reliably make big power. Specifications 4″ Bore bolt on cylinder and piston kit 10.5:1 Compression Silver Finish S&S 585 Easy Start Gear Drive Cams TC3 Oil Pump TC3 Cam Plate S&S cam chain tensioners Quickee Adjustable Pushrods with Tubes S&S Precision Tappets All Required Bearings and Gaskets Features & Benefits Low friction Ductile Cast Iron liner 10.5:1 Compression Largest big bore kit available without crankcase mods Upgrade TC88 to 100 cu inches Cylinders fit to pistons- No machining required All parts required to upgrade to gear drive cam or hydraulic tensioners in one easy to order part number Engineered package to deliver the best bolt in performance Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates *Not compatible with S&S 79cc Super Stock heads