and see what psi it starts to open. I use a radiator tester to pressurise because it has very fine resolution from 0 - 20 psi. Exactly what i need. I can check the part number on the label and get back to you. I just don't have it handy.
Harry
Formerly yellowzxtt
" If it doesn't make it faster, i don't care " Please visit www.ztuner.com to GO FASTER