plenum spacer for stock plenum

[1985GN]

im looking for a plenum spacer for the stock plenum, i prefer to be at least
3/4" or so but willing to do something else if needed, let me know

 

[87LtdT]

PM sent...Bob

 

[BW Jones]

spacer

I have a plenum spacer for a stock plenum available if you still need one. The thickness is approximately 1/2" ...... but I can measure it with some calipers to get an exact reading if you're interested. $20 plus shipping.
BW Jones