This black anodized micro switch bracket is made from lightweight billet aluminum and fits Holley 4150 and 4500 carburetors for precise activation of the micro switch. It works with both the standard secondary arm and a throttle adjustment-screw secondary arm. The kit includes a bracket, micro switch, and stainless steel hardware securing the switch to the bracket. ALL54180 includes stainless hardware for mounting the bracket to the carburetor.
Spec Sheet: Allstar Spec Sheet
Compatibility:
Fits Holley 4150 and 4500 carburetors. Not vehicle-specific.
FAQ
What carburetors does this fit?
This bracket fits Holley 4150 and 4500 carburetors.
How does this mount to the carburetor?
It includes stainless hardware for mounting the bracket directly to the carburetor.
What is the difference between ALL54180 and ALL54181?
ALL54180 includes hardware to mount to the carburetor; ALL54181 mounts to an existing carb stud.

