Used on select OHV Extended Life Series engines, this OEM part ensures proper fit and performance to maintain the life of your BRIGGS STRATTON engine Parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in BRIGGS STRATTON engines Not only are BRIGGS STRATTON genuine parts assured to fit, but using them ensures that the BRIGGS STRATTON engine they are installed on complies with applicable EPA emission regulations