1947-1959 Chevy Truck 8 Lug Front Disc Brake kit
1947-1959 Chevy/GMC 3600 & 3800 8 Lug 3/4 Ton/1 Ton Complete Kit.
***MUST SELECT YOUR HUB TYPE/STYLE*** SINGLE WHEEL HUB OR HUB EXTENSION***
Front Disc Brake kits are Only Sold as Complete Kits
Our Standard Kit Does Both Sides of the Axle, and Includes:
Kit Contains
- 2- New Geomet coated rotors 12-3/4" diameter
- 4- Custom brackets-RAW metal
- 2- New brake calipers with pads
- 2- Stainless steel flexible brake lines
- Grade 8 fasteners
Rear Eaton Axle Kits can be found HERE
Kit Options Allow You to Upgrade Your Kit to Include:
- Calipers with Pads in Powder Coated Finish of Black
- Black Powder coated brackets
- Performance Drilled and Slotted Rotors
Disc / Drum Applications.
- You need a Dual reservoir master cylinder that is Disc / Drum. If you already have that you may need to change your proportioning brake valve to Disc/Drum.
- If you are running the master cylinder on the frame rails. You will need the above along with 2lb residual valve to the front brakes (generally 2 one for each line) and 1- 10lb to the rear drum brakes.
- When running Disc/Drum we recommend a master cylinder bore size of 1”.
Master cylinder, brake boosters, proportioning valves can be found HERE
Important Note for Installation
- To verify you are ordering the correct kit, measure your drum backing plate bolt hole spacing center to center on either your spindle/axle housing flange and compare to our spacing diagram.
- Fits most 16" Single Disc Brake Style Wheels and larger.
- It will not fit 15" Single Disc Brake Style Wheels, 4x4 front axles or dual wheel front hubs.
- Only fits 8 x 6 1/2" Wheel Lug Pattern
- Our kit will not work if you have an after market steering arm displayed in the photos on this page.
- Our kit may fit as early as 1943 with a .920 King Pin. Measure spindle bolt pattern and confirm the king pin if earlier than 1947.
- Save your original hubs & bearings. Our rotor slips over your stock hubs.
- When converting from drum to disk. You will need to cut and re-flair your existing hard brake line or bend new ones. These are not supplied.
Replacement Rotors
Rear Axle
Click the below link
Pre 1972 GM 8 Lug Eaton Full Floating Rear Axle Disc Brake Kit | Rustic Disc Brakes
Master Cylinder & Brake Boosters
Fitment
- Fits most 16" Single Disc Brake Style Wheels and larger.
- It will not fit 15" Single Disc Brake Style Wheels, 4x4 front axles.
- Only fits 8 x 6 1/2" Wheel Lug Pattern
- Our kit will not work if you have an after market steering arm displayed in the photos on this page.
- Our kit may fit as early as 1943 with a .920 King Pin. Measure spindle bolt pattern and confirm the king pin if earlier than 1947.
- Grumman Vans, this kit has been installed on a couple. You will need to do some grinding on the top of the spindle / king pin area along with clearencing the bracket. Years are unknown.




