Finally, a rear disc brake conversion that doesn't break the bank. Installation is simple, requires no welding, and it's not necessary to pull out the axle shafts (except high offset axles). All serviceable parts are also available individually. This kit is compatible with GM 1988-1999 OBS pickups and 1992-2000 OBS SUV's with heavy duty 6 lug rear ends (11" drum axles).
Even if it is listed below, if it is not the 11" drum size or does not have the correct flange measurements then the kit will not fit.
Verify your flange dimensions and offset with the images below. This can be done without removing anything simply by measuring the flange at the back side of the drum.
For light duty 10" drum axles, click HERE.
NOTE: CK1500 11" drum axles typically have a 3.6" offset, but in some cases have a 5.1" offset which will require machined spacers. Offset is measured from the axle housing flange to the axle shaft face (without brakes) as shown below
92-00 Chevrolet Blazer, Tahoe, Suburban
92-00 GMC Yukon, Denali, XL 1500
88-98 Chevrolet C2500
88-98 GMC C2500
96-02 Chevrolet Express 2500
96-02 GMC Savana 2500
99-00 Cadillac Escalade
Even if it is listed above, if it is not the 11" drum size or does not have the correct flange measurements then the kit will not fit.
NOTE: Will fit inside many *but not all* 15 inch wheels. Typically if the caliper contacts inside of the wheel, clearance can be gained by light sanding of caliper contact points.
NOTE: Due to kit updates the product images vary from the actual.
CALIPER SELECTION: If you wish to retain your parking brake function, choose the parking brake caliper option. Please note that the Wilwood calipers are NOT parking brake capable.
CK1500 MASTER CYLINDER UPGRADE: Fits vacuum booster ONLY, NOT hydroboost. Stock hardlines will need slight readjustment to align with new master cylinder ports.
Replacement Parts:
- For non-parking brake calipers/pads use same fitment as 1982 Monte Carlo Front
- For parking brake calipers/pads use same fitment as 1982 Cadillac Eldorado Rear
- For smooth rotors use same fitment as 1990 K1500 Standard Cab Front (1.0" Thick)
- For any of these and all other kit parts, use our Replacement Parts section