Gary,

Here's the unit.

Reel Craft Model 7600 OMP, good for pressure up to 3000psi. List $322.

http://www.gradeatools.com/ReelCraft...7600%20omp.htm

I paid $263 and had to order it from an auto parts store as Reel Craft won't sell direct.

http://www.reelcraft.com/

Rumor has it if you live West of the Mississippi, GaryD will pay half for you.

Mike