Seller notes

Head Diameter: 28mm. O.D.: 1.102in. I.D.: .827in. Height: .375in. All years of the fits YAM YZ/WR250F are 5-replacement valve engines using three intake seats and two exhaust seats. 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 results with 4 and 5 r...

Contact Us regarding this vehicle

Contact Seller on eBay

You will be redirected to eBay

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.