This Allstar Performance throttle return spring bracket kit is aluminum with a clear anodized finish and is built for 2-barrel carburetors with a Holley flange, such as the Holley 4412. The kit includes a carburetor mount and dual return springs, replacing worn or failed return springs with a dual-spring design for reliable throttle closure. The larger opening allows throttle linkage to be routed from underneath to help prevent clearance or interference issues.
Allstar Performance Spec Sheet (PDF)
Compatibility: Fits 2-barrel carburetors with a Holley flange, including the Holley 4412.
FAQ
What carburetors does the ALL54186 kit fit?
2-barrel carburetors with a Holley flange, such as the Holley 4412.
What does the kit include?
A carburetor mount bracket and dual return springs.
What is the finish and material?
Aluminum with a clear anodized finish.
Why does it have a larger opening?
The larger opening allows the throttle linkage to be routed from underneath, helping prevent clearance or interference issues.

