Brass 5/16-24 Sight Plugs for Holley Carburetors (2-Pack)

Upgrade your Holley carburetor with these high-quality 26-13 sight plugs, designed for a precise 5/16-24 thread fit. Compatible with models like the Holley 4150, 4500, and 4160, these brass sight plugs ensure a secure seal and easy removal for carburetor inspections.

Forged from durable solid brass, these plugs resist fuel degradation, heat, and wear, delivering long-lasting performance. Each package includes two sight plugs and gaskets, making them ideal for replacements or upgrades. Verify compatibility with your carburetor before purchasing.