1)Fitment: 4 Barrel carburetor for 1904R 1906R Rochester quadrajet 4MV vacuum secondary 600 - 750 CFM electric choke, compatible with K3500 P2500 K2500 Suburban Jimmy G3500 C2500 C1500 Suburban P30 P20 Monte Carlo Malibu K20 Suburban K5 Blazer Impala G20 Camaro C30 C20 Suburban C20 C10 Suburban Camaro Caprice Corvette 305-350 c.i Engine 1980-1989, for Rochester 650 CFM 305" -5.0 L. and 350"-5.7L engines
2)Premium quality: Quadrajet carburetor is a four cylinder two-stage carburetor with a downward suction design. Its structure is simple and easy to maintain, yet its versatility and operating principle make it suitable for engines ranging from small to large, without the need for significant casting changes.
3)Recommand: It has a fuel tank (oil cup) located in the center. The fuel cup has cracked between the main holes and is adjacent to the auxiliary holes. This type of design ensures that all carburetor holes have sufficient fuel supply, resulting in excellent performance in terms of vehicle tilt or turning severity