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

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

Regular price$621.00
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Shipping calculated at checkout.

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.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.

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Cut em Up!

Dune Goons Rider ~ Breanna
Showing her personal style and cutting the shirts up to her liking. We don't mind one bit! Cut em Up!