Bevinsee Intake Manifold Adapter 1.75 TBI Throttle Body for 2 Barrel 4412 500 350 2300 CFM Holley Manifold Early Autolite Carbs Compatible with GM Compatible with Chevrolet - Bevinsee9118200117[US]

• 【Material】Made from high quality CNC machined POM material, a duarable heat resistant composite automotive approved material gas and alcohol proof won't chip crack or stain. 【Fitment】Works with 2 barrel 350 and 500 CFM For Holleys for autolite carbs (early). 【Feature】Acts as an insulator to prevent the gas from boiling (Vapor lock) and keep the carb cooler for more power. 【Design】The bores are tapered to adapt the narrow 2bl spacing to the wider TBI pattern without hurting performance and airflow. 【Functionality】Adds tuned length for more TQ (Torque).