; Use on most aftermarket aluminum blocks and heads to replace plugs removed or damaged during machining, cleaning, etc.; Available in two sizes, each with 3/8 hex socket drive for ease of installation and removal; Two per package
- 1⁄2 NPT thread
- Use on most aftermarket aluminum blocks & heads to replace plugs removed or damaged during machining, cleaning, etc.
- Available in 2 sizes, each with 3/8 hex socket drive for ease of installation & removal
- 2 per package.