114cc Bore Kit, Race Head, & 20mm Carb Kit – TRX90 All Models slider Kit Includes:

Kit Includes:

This kit is for stock YX/GPX 150/160 engines and

Constructed of mild steel and Tig welded it also features a precision machined pivot point with return spring location for easy installation and operation

long adjustable throttle cable

this may decrease the life of your battery

114cc Bore Kit, Race Head, & 20mm Carb Kit – TRX90 All Models slider Kit Includes:114cc bore kit, Race Head, & 20mm carb kit TRX90 All Models TB Parts 114cc big bore kit, V1 Race head, and 20mm carb for use with stock air box. Starting with the V1 cylinder heads larger 25 22mm stainless steel (21 4N) valves, better porting, larger cam, improved valve geometry and superior quality this new setup will rev quicker, farther, and make much more power than the stock setup. Add the lightweight high compression 54mm bore kit that brings up