SpeedFactory 70mm Cast Throttle Body - B/D/H/F Series
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Introducing SpeedFactory Racing’s precision cast 70mm Throttle Body for Honda B, D, F, and H series - bolt-on increased airflow, throttle response, and power gains on both naturally aspirated and forced induction applications while retaining smooth throttle operation, drivability, and the ability to fine-tune your idle with the plate position & idle air adjustment screws.
This is our recommendation for most street/strip applications ranging from aggressive naturally aspirated to high output forced induction setups because it gives great throttle response and power gains throughout the powerband - all while retaining good smooth drivability characteristics.
Features:
- Precision machined Brass Throttle Plate
- Fully Machined Tapered Bore
- Dual Ball Bearings for smooth operation
- Includes BOTH high-quality composite 70mm throttle body gasket and SFR Thermal 70mm Throttle Body Gasket
- Reduced heat transfer from Thermal Gasket = more power, reduced detonation
- High quality zinc-plated mounting bolts and TPS hardware are included
- Designed for use with OEM Throttle Cable and bracket
- Throttle Plate Stop Adjustment Screw
- Laser-etched SpeedFactory “SFR/70MM” logo
- Black Anodized Idle Air Adjustment Screw
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 the larger bore. Any manifold with a throttle body opening of less than 70mm will likely require modifications to keep the IAC passage separate.
