These Direct-to-Head Ford Cosworth 45mm Throttle Bodies are port matched with an oval throttle plate. This is a direct mounting to the cylinder head so no additional manifold is required. These throttle bodies feature oval, 'shaftless' and knife-edged butterflies for improved airflow & performance and with the throttle blade very close to the inlet valve the engine response is significantly improved.
The Cosworth top feed injectors are also useable with this system, as well as the standard 988F-9B989 Throttle Position Sensor. This DTH ITB system will fit Cosworth YB powered cars such as the Ford Sierra RS Cosworth, RS500 and Escort RS Cosworth. The engine is also a popular choice for Caterhams and Kit Cars.
Delivered fully assembled, with a Billet Aluminium Fuel Rail, choice of Linkage Options, Choice of Inlet Lengths and calibrated for your choice of TPS. The OEM injectors, Throttle Position Sensor (TPS) and Throttle Cable are Compatible with this kit. Engine management is the only additional part required to achieve significant power gains.