It comes with 2 bolts for installation, dimension 7x5 1/4x3x1/4 inch . it is universal for most of go kart brand with engine size 110 125 150 250 300 cc. replace the one with shining surface. Hammerhead Part # 7.010.029      150SS 250SS 150GT 250GT 200GT Old TJ Power Sports Part # 14172 Carter Brothers Part # 509-3008 Carter Brothers Part # 5093008 American SportWorks part # 14172 Trailmaster Part # 7.010.029    150XRX 150XRS Roketa GK-06 Part # GK-06-250-2-22 Roketa GK-13 Part # GK-13-250-02-13 Joyner 250cc Part # D250.04.901 A KINROAD RUNMASTER KB003010000