One header with welding and exhaust heat stains and one cleaned with pickling paste:



Polished with some scotchbrite and soapy water for more even texture. Should turn consistent dark straw color instead of welding heat stains.



Installed:



1/2 inch carb riser plate. I'm hoping this will improve flow by making an easier turn below the carb plus some plenum volume. Still working on a throttle cable bracket that doesn't require baler wire: