This carburetor dust cover from Allstar Performance is a 2.5 inch tall solid plastic cover finished in black. It uses a 5-1/8 inch flange that fits 4150-style square-bore carburetors, keeping dirt, debris, and moisture out of the carb throat when the vehicle is not running.
Spec Sheet: Allstar Spec Sheet
Compatibility
The 5-1/8 inch flange on this cover fits 4150-style square-bore carburetors. It is not compatible with 4500/Dominator-style carbs, which use a larger 7-5/16 inch flange (see ALL26041).
FAQ
What flange size does this dust cover use?
This cover uses a 5-1/8 inch flange, sized for 4150-style square-bore carburetors.
Is this cover plastic or aluminum?
This is a solid black plastic cover. Allstar Performance also offers a screened plastic version (ALL26042) and aluminum versions (ALL26043, ALL26044) in the same 5-1/8 inch flange size.
How tall is this cover?
The cover stands 2.5 inches tall.
Will this fit a 4500-style Dominator carb?
No. 4500/Dominator carbs need the 7-5/16 inch flange cover, part number ALL26041.

