XR400 XR 400R 89mm Big Bore Kit +4 Cylinder Hi Comp Top End Rebuild Stage 3 Cam YZ400F ensuring optimal engine performance and

ensuring optimal engine performance and reliability

11141-28H00

or JE Forged Piston Kit* with hi-temp rings

allowing you to enhance your RZR without the hassle

Product ID: BPR-YAM-450CAMGUIDE-TEN-SET-001 -->

XR400 XR 400R 89mm Big Bore Kit +4 Cylinder Hi Comp Top End Rebuild Stage 3 Cam YZ400F ensuring optimal engine performance andUpgrade your Honda XR400R or TRX400EX with an 89mm big bore top end rebuild kit featuring a forged piston, Stage 3 Hot Cams camshaft and Cometic MLS gaskets. Honda XR400 XR400R 400EX 400X 89mm +4 Big Bore Cylinder Hi Compression Top End Rebuild Kit Stage 3 Hot Cams Product Description Transform your Honda engine with this 89mm +4 Big Bore Top End Rebuild Kit featuring a brand new aftermarket cylinder, a forged Wiseco or CP Carrillo high compression