Speed Dealer Black 1" Dual Cable Knurled Throttle Housing for Harley Davidson CNC Machined from Solid Billet Aluminum - Made In the USA Stage 3 military grade black anodized. Specs: 5/16" pull side, 1/4" back side threaded or pop-in style available on request. Knurled to match our grips, pegs and mirrors. Fits Harley models with stock dual cable throttles.