18:1 gearing ratio

Designed by Jesse Bassett at Gasbox

single pull throttle for 7/8" handlebars

GT Grips measure 5" long sold per pair

longer lasting charging system

Billet Flange Carb Adapter - Mount Mikuni or CV carb to Harley-Davidson Evo Big Twin/Panhead/Shovelhead/Ironhead Models Fender Location_Rear 18:1 gearing ratioWant to improve performance and reliability on that older motor? This manifold adapter can be used to mount a late model CV carb or a Mikuni HSR 42 MM carb on Evolution Big Twin, Shovelhead, Panhead or Ironhead models with a 2 bolt flange style manifold. Allows you to mount OEM late model CV or Mikuni HSR 42 carbs on Evolution Big Twin, Shovelhead, Panhead or Ironhead models with two bolt flange manifolds CNC machined from 6061 billet aluminum