This billet aluminum fitting presses into the driver side rear valve cover grommet on Gen 3 and 4 LS engines to adapt to 12AN for easy connection of PCV systems.
Made in the USA!
Includes grommet for use if not using in intended valve cover use.
Description
12AN Push in Fitting for Factory GM LS Valve Cover Grommet 34-012LS | This billet aluminum fitting presses into the driver side rear valve cover grommet on Gen 3 and 4 LS engines to adapt to 12AN for easy connection of PCV systems. | Made in the USA! | Includes grommet for use if not using in intended valve cover use.