The engine parts are made of strong and tough high-quality fiber alloy materials, which can improve the durability and reliability of the car, and improve the throttle response to provide better engine performance. Fitment: For Chevy 1966-1973 327-454c.i. engines with Chevy bowl entrance and linkage style, divorced choke. For Corvettes 750 1975-1979 CFM Vacuum Secondary Durable Interchange with Chevy 7026202 7026203 7026210 7027202 7027203 7027212 7027213 7040007 7040021 7046904 7047207 7047303 7047305 7047306 7047307 7047316 7047319 17054236 17054709 170549. NOTE: .
