4150 Flange, Polished Finish

HO112-588

112-588

Holley's new 1000 CFM Throttle Body shares the same air entry area design that powers every NASCAR Sprint Cup Series car! The throttle body features integrated throttle position, idle air control and intake air temperature sensors, Ford and GM transmission kick down levers as well as all necessary vacuum ports. Features: Standard square bore mounting pattern for installation on many intake manifolds Flows 1000 CFM to handle high horsepower engines Exclusive CFD computer modeled air entry area delivers maximum velocity and accelerated air speed Integrated TPS, IAC, and Air Temperature Sensor Hi Flow IAC passages for large cubic inch engines for idle stability Ford Transmission kick down Lever for use with Ford automatic transmissions Integrated GM 700R4 transmission kick down location no adapters needed All necessary vacuum ports (1) timed spark, (2) 3/8" and (2) 3/16" full manifold vacuum ports 1.75" throttle plates mounted to PTFE coated throttle shafts for high flow and a smooth feel High quality die cast aluminium for strength and weight reduction Tumble polished finish