EGR One Way P.A.I.R. Valve Housing for GY6 Valve Covers
One-Way Valve Cover Housing & Seat for 50cc 4-stroke QMB139 engines & 150cc GY6 engines. This is often called an EGR or PAIR Valve for emissions.
3 Bolt Mount
Length from Top to Bottom: 68 mm
Width at Bottom Bolt Holes: 52 mm