Skip to content
CYBER MONAY SALES WEEK 5% Off All Items. ENDS 12/2/23! → Discounts will be applied automatically when you check out.
CYBER MONAY SALES WEEK 5% Off All Items. ENDS 12/2/23!


04-05 TRX 450R Big Bore Stroker 97mm 13.5:1 Hi Comp Complete Rebuild Kit 500cc

Original price $1,234.99 - Original price $1,234.99
Original price
$1,234.99 - $1,234.99
Current price $1,234.99


  • 97mm BPR big bore cylinder
  • Wiseco 13.5:1 Racer's Choice forged moly-coated piston
  • Hi temp piston rings
  • Chrome wristpin
  • Circlips
  • Hotrods +3mm stroker crank with rod installed
  • Main bearings
  • Water pump bearing
  • Transmission bearings
  • Shift cam bearing
  • Crank balancer bearings
  • Complete gasket kit - head base exhaust case covers pump covers
  • MLS big bore head gasket
  • Complete crankcase oil seal kit
  • Valve stem seals
  • Timing chain
  • Clutch kit
  • Stud kit
  • Stickers

No mods of any kind are required to use this kit and piston runs on pump or race gas.  Original manufacturer's warranty applies*.

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 you no longer want/need the parts you receive you are welcome to return it UNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*We recommend that this be installed by a qualified mechanic with experience doing this type of work.  Piston comes with specific instructions for setting ring gap.  Failure to follow these exactly will result in motor failure.  Warranty does not cover any failure that is a result of improper installation, improper break in, improper tuning, or misuse.  For any warranty to be considered the part(s) in questions must first be sent to us for inspection.  We can not warranty anything based on phone calls or photos alone.