These high performance throttle bodies are designed as direct-fit replacements and come in various sizes ranging from 66mm to 76mm openings. BLOX Racing billet throttle bodies offer increases in airflow characteristics resulting in horsepower and torque gains.
BLOX Racing also offers a cast aluminum unit, also known as its Tuner Series throttle body in 68mm. The Tuner Series is essentially an OEM big bore throttle body for the B-series engine.X