Universal Parts PAIR Style Valve Cover Gasket

LogoUniversal Parts Valve Cover Gasket PAIR Style for 50cc 4-stroke QMB139 engines.

PAIR is an acronym for Pulsed Secondary Air Injection System. It is an emissions control system used to lower HC and CO emissions. It works by allowing air into the exhaust flow.

SKU: 151-117 Category:


  • PAIR Style

Additional information

Weight 0.1 lbs