The precision cast 70mm Speed Factory Throttle Body consistently ensures power gains throughout the powerband. The featured thermal gasket offers reduced detonation and more power, while the dual ball bearings provide a smoother operation. The adjustable plate position and idle air adjustment screws allow drivers to fine-tune their idle to their liking for a more personalized driving experience. Perfect fit for a large range of setups and provides excellent throttle response and power gains.


NOTE: Manual transmission models only. Not compatible with OEM B18C GSR, ’88-’91 D-Series, or downflow intake manifolds. Does not fit F22C (F20C is ok). Designed for use on most aftermarket intake manifolds, due to larger bore. Any manifold with a throttle body opening of less than 70mm will likely require modifications to keep the IAC passage separate.  

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