Yamaha Raptor 660 Kibblewhite Standard Size Stainless Valves Viton Valve Seals! TRX680 Rincon 680 Larger Port Windows For More

Larger Port Windows For More Power

Hot Rods Part # 4001

5mm big bore nikasil cylinder (1 Year Warranty*)

lightweight performance for racing and rebuilds

Yamaha Raptor 660 Kibblewhite Standard Size Stainless Valves Viton Valve Seals! TRX680 Rincon 680 Larger Port Windows For MoreUpgrade your Yamaha Raptor, Rhino, or Grizzly 660 with Kibblewhite Black Diamond stainless valves and Red Viton seals. OEM replacement performance kit. Kibblewhite Black Diamond Stainless Valve Kit Yamaha Raptor Rhino Grizzly 660 Race Proven Black Diamond Performance Upgrade your top end with the Kibblewhite Black Diamond Stainless Valve Kit designed for Yamaha 660 models. Featuring premium KPMI one piece stainless intake and exhaust valves with