Seller notes

TB 114cc bore kit, Race Head, & 20mm carb kit for Stock Air box – TRX90 All ModelsTBparts 114cc big bore kit, V1 Race head, and 20mm carb for use with stock air box.Starting with the V1 cylinder head’s 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 the bore to 114cc a...

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