GX200 / Clone Valve Kit - 25mm Intake Valve - These are quality components and are great for the intermediate performance enhancement of the clone engine allowing the engine’s valve train to go well over 7,000 rpm’s without valve float (be certain to upgrade any other engine components that may fail with increased RPM’s prior to using this kit). All necessary parts are included and everything is a bolt in. Clone valve train upgrade kit consists of: 1 - 25mm (.984”) intake valve (OEM diameter) 1 - 24mm (.945”) exhaust valve 2 - 1.3/1 rockers (giving the stock cam almost .290 lift!) 2 - 18 lbs seat pressure valve springs 2 - billet retainers 2 - hardened locks 2 - valve stem wear caps 2 - .060 valve spring shims 1 – billet push rod guide plate