F&B Viper throttle bodies are available in 2 sizes (62mm, 68mm) to provide additional air for "street stock" to stroked or blown Vipers. They feature 17-4 PH profiled shafts, right and left matched pairs, a high polish and a wild signature look. The factory Viper linkage must be reused. Inlet diameter is3.5" for the 66 and 68mm throttle bodies, while the 62mm unit has the stock length and inlet diameter, making it perfect for aftermarket turbo or supercharger kits. All Viper throttle bodies are designed for pressurized applications. Contact Southeast Performance for details and pricing.