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IMPORTANT NOTICE: Due to the increase in fraudulent orders, the billing and shipping addresses must match when placing your order. We appreciate your patience and understanding.
IMPORTANT NOTICE: Due to the increase in fraudulent orders, the billing and shipping addresses must match when placing your order. We appreciate your patience and understanding.

TRX400EX TRX 400EX Big Bore 89m 440 Wiseco 12.5:1 Top End Rebuild Kit Head Stud

by BPRATV
Original price $524.99 - Original price $524.99
Original price
$524.99
$524.99 - $524.99
Current price $524.99
BIG BORE TOP END POWER!  SE HABLA ESPANOL!

FITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARS

BOLT ON RELIABLE BIG BORE POWER!

Kit includes:
  • TECH SUPPORT BEFORE AND AFTER PURCHASE
  • NEW 89mm cylinder
  • 12.5:1 Wiseco forged piston
  • Wiseco hi temp rings, DLC coated pin, clips
  • ARP/KMS heavy duty head stud kit
  • Cometic top end gasket kit - head base exhaust chain tensioner cylinder
  • Timing chain
  • Install/break in tip sheet
  • Stickers
This is a bolt on kit that requires no machining of any kind.  Runs on race gas.  All parts are new in the original packaging, and the original manufacturers' warranties apply*.

CONTACT US FOR ALL YOUR HONDA 400EX NEEDS!

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If for any reason at all you are not happy with your order PRIOR TO INSTALLING PARTS you are welcome to return it for a FULL REFUND, NO QUESTIONS ASKED!

*We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.  Warranty does not include any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  Piston comes with specific instructions for setting the ring gap.  If you do not follow these exactly your motor will fail.  For any warranty to be considered the part(s) in question must first be sent to us and possibly the manufacturer for inspection.  We can not warranty parts based on photos or phone calls alone. 

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