Update

Re designed the itb plenum for better space, less chamber volume and more even spread. Materials used is 4 and 7mm thick high grade aluminium. E36 3.2 itb Amc head with custom valves and seats (bigger than oem) Ppf springs Z58 cam Je 84.5 pistons Shrick rods for lower compression. Slightly less than oem. M21 crank. O ringed head Welded cooling channels 65mm turbo Sm4 standalone Msd ignition