Indmar Exhaust Manifold 3/4" NPT Metal Drain Plug

Replacement pipe thread 3/4" exhaust manifold drain plug. Used on older Cast iron Ford and Chevy exhaust manifolds as a winterize point on the back and the front side of the exhaust manifold. Please note that this drain plug has changed from the 1/2" square drive to an improved 11/16" hex key making it easier to install and remove.  

Product Specs:

• 3/4" pipe thread
• Sold individually

Bakes Resource Library:

How to Measure NPT Thread (JPEG)