G2 Ergonomics 40-4S-HYK - Tamer Throttle Tube Machined from 6061 aluminum in the USA! Self-lubricating Delrin bushings at each end of tube eliminate aluminum-to-aluminum contact for an ultra-smooth feel. Largest possible cam to fit inside stock housing included. Fits inside stock throttle housing with stock throttle cable. Removable end cap for simple handguard installation