Steady Speed: The 4150 Model 4 barrel carburetor worked out of the box, only needed to adjust idle and air/fuel to make it start, idle perfectly
Fitment: The 650 CFM 4 barrel carburetors with a mechanical secondary throttle and electric choke, designed with a 4150 square bore flange pattern
Premium Quality: Built with lightweight die-cast aluminum structure, with lower working temperature, less warpage and better durability. Polished surface ensures long time use
Perfect Performance: Mechanical secondary ensures stronger throttle response, making it ideal for high-performance and street applications