The Jenvey cast aluminium plenum has been designed to offer maximum performance on turbo and supercharged engines at an excellent value. The cover and diffuser pipe can be arranged in 4 different ways (inlet top or bottom and left or right) ensuring it will fit most applications. All interfaces are ‘O’ ringed for easy rebuilds. The plenum can be fitted onto 4 separate throttle bodies, a pair of TB bodies or used with any combination of manifold, spacers with a single SFG throttle body. Baseplate dimension for the plenum is 425x75mm and is unmachined as standard. A machining service is available if required. Supplied with a 70mm inlet. Suits engines such as Cosworth YB and Volvo 5 cylinder.