Aeromotive Regulator - EFI Bypass, Adjustable (2) -6 inlets, (1) -6 bypass - 13129 84mm ZM4-HDG6 kit features ACT's most

ZM4-HDG6 kit features ACT's most popular Heavy Duty pressure plate

Our one-piece robotically welded steel frame is not only strong

The proven formula contains special surfactants and lubrication agents that allow quick and easy cleaning without scratching or ruining the finish of vehicle components

the bushing will cause the cables to bind and fatigue

and at the lowest setting up to a 50% reduction in throw

Aeromotive Regulator - EFI Bypass, Adjustable (2) -6 inlets, (1) -6 bypass - 13129 84mm ZM4-HDG6 kit features ACT's mostThis EFI return style Regulator encompasses features and benefits only found on Aeromotive regulators and in a new smaller and lighter package. Capable of supporting applications up to 1000 HP, the 13129 EFI return style Regulator can handle high flow EFI fuel pumps and the most aggressive street machines; especially those looking for a cleaner, lighter solution where performance is critical or where space is a premium. Base pressure adjustable from