A 13" 6-lug K10 brake kit utilizing Wilwood 4-piston FNSL calipers, aluminum hats, and machined 6061 AL brackets which bolt directly to the factory axle. Designed fit 71-91 fullsize 4wd GM trucks and SUVs (K5 Blazer) and includes parking brake assembly. Matches the 14" front kit HERE
Wheel Size Requirement: Fits inside most 17" wheels.
Verify your flange dimensions with the image below. This can be done without removing anything simply by measuring the flange at the back side of the drum.
61-87 Chevrolet C10,K10 Pickup
61-87 GMC 1000,C15,K15,K1500 Pickup
61-91 Chevrolet Blazer, Suburban, Vans
61-91 GMC Jimmy, Suburban, Vans
Even if it is listed above, if it does not have the correct flange measurements and lug count then the kit will not fit.