My theory is that the spring is there to hold the element up from the bottom. This way sediment can rest in the bottom of the can and not get in the way of the filter. My bolt seals with a copper washer under the head.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!