This is a new 8" single diaphragm brake booster with Corvette 1 1/8" Bore Dual Purpose Master Cylinder - ports on both sides with block offs for side you dont use- disc disc, disc drum or drum drum just add correct valves.

Standard universal GM boosters fits most aftermarket and GM firewall mounting brackets - just send a note if you need directed to a certain model mounting information and a discount for combined shipping

Check out the other quality automotive accessories in my ebay store.  New items are being added daily.