UNIVERSAL FITMENT FOR Carburetors such as Holley, Edelbrock, Carter, AFB, Quick Fuel and others ADJUSTABLE RANGE from 6” to 9” WILL FIT OTHER FACTORY THROTTLE LEVERS with 1/2 “hole, check center-to-center measurement before ordering MADE IN USA with high quality materials and assembly THREAD SIZE is 1/4 “ -28 right hand thread and 1/4 “-28 left hand thread Adjustable Throttle Linkage RodUniversal (Holley/Edelbrock/BG/Carter AFB)Adjustable from 6"-9"1/4"-28 RH & 1/4"-28 LHMade in the USA Will fit factory throttle levers with 1/2" holeCheck center-to-center distance before ordering