Sbc downdraft intake. 50 Speedmaster® Chevy BBC 454 Downdraft + FiTech Ultra EFI Fuel Injection System [Polished] US $4,180. 00 Find many great new & used options and get the best deals for Speedmaster 1-148-004 Chevy SBC 350 Downdraft EFI Stack Intake Manifold System C at the best online prices at eBay! Free shipping for many products! CARBS VS INDIVIDUAL RUNNER STACK INJECTION-WHO WINS? CHECK OUT THIS DYNO COMPARISON BETWEEN A DUAL-PLANE CARBURETED INDUCTION SYSTEM AND THE SPEEDMASTER 8-STACK (DOWNDRAFT) INJECTION SYSTEM. Why do you not sell a turn key kit complete with compatible ECU etc. This is a complete plug-and-play kit, which includes all necessary components to install, plug in, fire up and drive away. Get the Best Performance with Speedmaster CHEVY SBC 350 DOWNDRAFT INTAKE MANIFOLD 1-148-041 parts at JEGS. These intake systems deliver crisp EFI performance in up to 1000 hp applications. Speedmaster linkage set incorporates the throttle stops, idle controls, lever arms and joiner/balancer all in one. An all-in-one package includes throttle stops, idle controls, lever arms, and joiner/balancer. . Will this kit fit late model vortec heads. krmadl wiub uzeo gvvlw kyjdu nyyf wzec nqdro fxr temlbqf