TRX 400X XR400R 89mm 440 Big Bore Race Gas Hi Comp 12.5:1 Piston Top End Kit

FITS ALL HONDA 400EX 400X AND XR400R MODELS AND YEARS NEW 89mm cylinder 12.5:1 Wiseco or JE forged piston** - race gas only Nitrite coated hi temp piston rings Chrome wristpin Circlips Maxlock head stud kit - LIFETIME WARRANTY* Top end gasket kit - head base exhaust chain tensioner cylinder Cometic MLS big bore head gasket HD timing chain  Stickers Piston uses race gas only No case or head mods required 1 year warranty* DO YOU MAKE A LIVING WORKING ON BIKES? ARE YOU A SHOP OR DEALER?  IF SO CONTACT US ABOUT OUR DEALER PROGRAM THAT GIVES YOU DISCOUNTS ON EVERYTHING WE SELL! We are BPRATV. Contact us or visit our Southern California, Inland Empire location from 7am to 4pm PST at 1538 Howard Access Rd, Suite A, Upland, CA 91786. Payments:  We accept all forms of traditional and online payment methods available – Cash, MC, AMEX, VISA, DISC, PayPal, Venmo, Cash App, among others.  Payment can be made online or over the phone. **Products we sell: At BPRATV we sell parts from the best name