TRX400EX TRX 400EX 89mm 440 Big Bore Race Gas Hi Comp 12.5:1 Piston Top End Kit

Compatibility This part is compatible with 14 vehicle(s) Notes Year Make Model Submodel 2008 Honda Sportrax 400 TRX400EX 2x4 2007 Honda Sportrax 400 TRX400EX 2x4 2006 Honda Sportrax 400 TRX400EX 2x4 2005 Honda Sportrax 400 TRX400EX 2x4 2004 Honda Sportrax 400 TRX400EX 2x4 2003 Honda Sportrax 400 TRX400EX 2x4 2002 Honda Sportrax 400 TRX400EX 2x4 2001 Honda Sportrax 400 TRX400EX 2x4 2000 Honda Sportrax 400 TRX400EX 2x4 1999 Honda Sportrax 400 TRX400EX 2x4 2014 Honda TRX400X 2x4 2013 Honda TRX400X 2x4 2012 Honda TRX400X 2x4 2009 Honda TRX400X 2x4   Works on all Honda 400EX 400X and XR400R models NEW 89mm cylinder 12.5:1 Wiseco or JE forged piston** - race gas only Nitrite coated hi temp piston rings Chrome wristpin Circlips Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY* Top end gasket kit - head base exhaust chain tensioner cylinder Cometic MLS big bore head gasket HD timing chain conversion NGK spark plug Stickers Piston uses race gas only No case or head mods required 1 year warranty* If you need this installed on your vehicle contact us! *Warranty: We stand behind all parts we sell 100%.  If after installation there is an issue contact us for a warranty return.  This product is NOT DIY.  Over 99% of people in the world are not qualified to build an engine, and the party performing the work is responsible for ensuring the parts are correct and installed properly.  We ALWAYS STRONGLY recommend this be done by a qualified, experienced mechanic. Warranty does not cover failure that is a result of improper installation, tuning, break in, lack of maintenance, or misuse.  For any warranty to be considered the part(s) in question must be sent to us for inspection.  We do not warranty parts based on phone calls, photos, emails, what you read online, or another mechanic's assessment alone.  We have a good warranty program, but there is a procedure that must be followed.