4 good non ves 800 jugs for Poo

[nascar924]

have 3 good non ported and 1 good ported 175.00 each

 

[Nitrorev]

How many miles on NON-ported Cylinder will they work on the 800 HO.

 

[nascar924]

under 500 miles, they will work but dont have the exhaust valves like ho does