5N-4451: 45.2mm Inner Diameter Boot

A Boot is used in internal combustion engines to prevent oil from leaking into the combustion chamber. It is made of rubber material, which connects the valve head to the engine's camshaft or rocker arm. The function of a boot is to provide a tight seal around the valve stem, preventing oil from entering the combustion chamber during the intake stroke. The boots are designed to withstand high temperatures and constant movement. Attributes: • Prevents oil leaks from the valve cover • Resistant to various chemicals Applications: A Boot is to provide a tight seal around the valve stem, preventing oil from entering the combustion chamber during the intake stroke.