REDZn Engine Anodes are now known as PRO Engine Anodes. Available exclusively at

1/2 NPT Hex Plug, 5/8 Rod
E-2A, E-2D, E-2,E-2B

Regular price $11.99

1/2" NPT Hex Plug, 5/8" Rod Diameter

Wrench Size  7/8
Plug Material Brass
Rod Material Mil-Spec Zinc A-18001K/ASTM B418 Type 1
*Zinc length does not include the length of the plug (just the silver part!)
**Standard shipping FREE for orders over $100, $8 otherwise
***5% off $600+