Studio : eCustomhitch Publisher : eCustomhitch Product Description Vacuum secondary carburetors are designed for universal installation on varying engine sizes and power levels. In turn great improvements can be made by tailoring secondary opening rates to specific engine combinations. We have seen as much as 35 Feet Pounds of torque increase on a 355 CID engine when combined with our machined throttle plates and high flow screws. We offer a complete spring kit and a kit that contains a sprint kit plus a quick change removable vacuum housing that facilitates th 0
|