ScienceofSpeed Over-Bore Throttle Body - NSX, 1991-94


These products are designed to maximize airflow efficiency of the factory induction system.

Bore diameter increases 5mm over factory. Full length taper (not just inlet). New CNC machined throttle plate with angled mating surfaces and flush-mount hardware for optimal flow. Recalibrated TPS sensors. Includes cleaning for removal of oil and carbon deposits.

Recommended for natural aspiration and forced induction use. Typical power gains naturally aspirated is 3-4 horsepower, on forced induction, 8-9+ horsepower.

ScienceofSpeed Core Exchange Program:
ScienceofSpeed offers a free core exchange program for this product. You will be charged a refundable deposit on check out. Once you receive the product, return your core to ScienceofSpeed within 30 days from date of receipt for a refund.  For full details, please click here.

ScienceofSpeed Over-Bore Throttle Body - NSX, 1991-94



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