z. 30 PSI Fill Cap for RS02 and RS03
We are out of stock on these.
You can buy this replacement cap that is rated at 29-31 PSI. You will need to paint in black
Can fit on a Road Shower 1,2 or 3. Road Shower 2 and 3 made Dec 2016 or later have a 25 PSI cap already installed.
Part number 910-15628
Speedway radiator cap 29-31 PSI
Here is the link:
Here is another one.
Walmart: Stant 10373 30 PSI cap. Google it.
Out of stock