Exhaust Nut Set - Copper M8

Finding the right fasteners for E30 Headers and Turbo Manifolds can be challenging as there often isn't much room for tools to clear the runners. These are 12mm locking copper nuts aimed at making it easier to fit headers and manifolds. Notes: These are sold as a complete set of 12x pieces. They are M8 x 1.25 Copper lock nuts with a 12mm hex.