Dual Pull Throttle Assembly - Pull both cables simultaneously - Quickness rate is 2.1° of throttle tube rotation per mm of cable travel - Maximum cable pull range is 65 mm and will open most of the larger carburetors - Assembly has cast aluminum housing with blue anodized aluminum pinch bolts and clear anodized aluminum cable adjusters - For many applications, custom cables (sold separately) may be necessary to adapt to your project.