The JOES Racing Products 36200 Freeze Plug Adapter is a high-quality engine component designed to help improve the cooling system in your Chevy block. With accurate dimensions of 5.75L x 4.25W x 1.5H inches and a lightweight package of 0.2 pounds, this adapter is easy to install and use. It is made of durable aluminum material and features a twist-on closure type. The adapter is compatible with multiple vehicle types and is designed to replace freeze plugs, allowing for better water flow and cooling. The product has a diameter of 1.627 + .001 -.000 and is available in engine component adapter style. The JOES Racing Products 36200 Freeze Plug Adapter is a reliable solution for enhancing the performance of your engine's cooling system.