Serious Turbo camshafts for 1UZ / 3UZ VVTi racing engines producing 750+hp. Single turbo sizing 64mm+. Twin turbo sizing 54-58mm. Great with E85. Valve spring upgrade required. Must use KVS208 valve spring and retainer kit if 30+psi boost and 8000rpm._x000D_\n _x000D_\n _x000D_\n
