Kibblewhite Precision 10-SB390 Valve Seat for Titanium Valve track-systems-track-accessories-backing-support-plates Fit most metric 1 bars

Fit most metric 1 bars

1990-1993 Yamaha WR650 WaveRunner LX

2009-2011 Harley Davidson XL1200L Sportster 1200 Low

Attached with a set screw

50x65x8 O-Ring

Kibblewhite Precision 10-SB390 Valve Seat for Titanium Valve track-systems-track-accessories-backing-support-plates Fit most metric 1 barsHead 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