【Product Upgrade】Added fuel injector remover installer tool to easily remove fuel injector. 【Set Upgrade】Camshaft holding tool kit has 17 pieces of camshaft timing tools including 2 pieces of fuel injector remover installer tool, 2 pieces of camshaft retaining clamp, 4 pieces of small size camshaft retaining clamp, 8 pieces of fixed screw, 1 piece of camshaft sleeve, and a pair of gloves.