recently purchased a brake booster/ master cylinder set up. at this point before I install, would it be a good idea to buy a 10 and 2 pound residual valve to add to this set up? I have already installed disc brakes on the front. here is what im looking at on ebay. thanks
http://www.ebay.com/itm/10-2-lbs-Res...8c7ce7&vxp=mtr
http://www.ebay.com/itm/10-2-lbs-Res...8c7ce7&vxp=mtr