If you run a RCR brake kit along with a TR top plate and one piece TR brake mount then this mod is for you. With the brake cam at true zero and linkage arm at 12 o'clock punch a center mark close to TR brake mount at .062 back from linkage arm and drill a .125 hole through trans top plate. Now drive in a .125 roll pin that will reach to just a little past the brake cam arm link so now the arm will return to true cam zero. I then took a o-ring and put it on brake arm link and ran it back to shock tower upright strut and now the brake system returns to zero cam every time when on the gas. You guy's know that the RCR kit grabs with very little force and when bouncing around while driving the brake arm is flying all over the place and bumping the shoe pack , This even stops the cam from going back past center cam when on the gas. The roll pin and o-ring keep the cam spindle at the perfect spot all the time until it needs to be pulled for brake...........