you can't powder coat the water pump it has seals and the tensioner pulley either you can powder coat the crank pulley,timing cover,accessories brackets alternator pulley and you can alt shop to disasemble the alt and powder coat the alt,fan and pulley also I even powder coated the hose clamps the good ones from NAPA. the should be able to give a better price on all those pieces I regret taking off my powder coated pieces for polished aluminum too much maintence !