Kibblewhite Precision 10-SB390 Valve Seat for Titanium Valve track-systems-track-accessories-backing-support-plates 1990-1993 Yamaha WR650 WaveRunner LX

1990-1993 Yamaha WR650 WaveRunner LX

For longer life or extreme mud riding

Service conditions up to 750deg

50x65x8 O-Ring

Kibblewhite Precision 10-SB390 Valve Seat for Titanium Valve track-systems-track-accessories-backing-support-plates 1990-1993 Yamaha WR650 WaveRunner LXHead Diameter: 39mm. O. D.: 1. 535in. I. D.: 1. 024in. Height: . 434in. All applications listed use two intake and two exhaust seats unless otherwise noted. Copper based material designed specifically for use with titanium valves in high performance applications. Gives the seat excellent thermal characteristics as well as resistance to corrosion and wear. These seats are the result of a two year KPMI R&D effort during which we recorded and verified