2000 silverado,been lowered,engine done and built by me,also put Lingenfelter aluminum bored heads,big port exhaust,light weight rods,Mahle Pistons - Forged Aluminum pistons,also shaved and clearanced the block and polished inside of block and smoothed,bigger intake and bored and polished also,Clevite TriArmor Coated Rod Bearings,by the time i was done it a 403cubic inch motor,all lingenfelter motor runs great next one of there super chargers then just little things like chrome and billet