-12an Press in valve cover breather fittings for OEM LT valve covers
These fittings are the easiest way to add -12an fittings to your LT engine without drilling or welding. Simply extract the factory stainless barb in a vice and hammer the DMS 12an fitting in place. No drilling, no welding. Fits L83, L86, LT1, LT4, LT5 engines.
Sold individually.