Developed For Honda And Acura In Mind Sir Tools developed a Special Bonus Kit (HO 110) to aid Honda ' Acura technicians with installing Cam and Balance shaft oil seals on Honda ' Acura engines. The overall length of this master kit is 2.25", which is important, as the pulley side of these types of engines are close to the shock tower. The press cups allow for damage-free installation to the seals and proper seating of the seal into the engine.