Yes, that is the only type you can buy new.

Here is the procedure for measuring the piston fit within the cylinder. 38 Shop Manual If you go back a few pages you will see all the information that you need in a rebuild.

Last edited by truckernix; 01/27/2013 6:42 AM.
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!