If there were no previous conversions would i have 4 discs? Or 2 front disc and 2 back drums? What are the specs for brakes stock?? Thanks. 6in 87' K5 w/ 35" BFG muds. Kn filter What I need: 4.11 gears, Lim Slip Dif, Force2 Catback, rear springs , Throtle body spacer.