PRE BUILT Front Disc Brake Conversion

The original drum brake Swivel axles are a common failure point at this point on Bugeyes. Here's a couple examples of overly-worn swivel-axles: We offer this complete kit to replace your worn swivel axles and convert your front Sprite Drum Brakes to the later factory Disc Brakes! We've had some clients have some difficulty with building these kits up, so we decided to do it for you! This complete, PRE-BUILT and ready-to-install kit features all new parts including new swivel axles, king pins, new single piston calipers, new tapered bearings, new hubs, and much much more! This kit comes with rubber brake hoses, but you can purchase stainless steel brake hoses if you would rather by going to our brake hose kit page. Looking for even more performance from your new disc brakes? You can upgrade this kit to upgraded pads with drilled and slotted brake rotors in the drop down menu for an additional charge. You can use your stock 7/8 master cylinder with this kit or upgrade to our 3/4 master. *Please allow roughly a week for shipping, a lot of love goes into pre-building these kits and they are made to order* NOTE: When installing front disc brakes, it is a good idea to switch to a 3/4” master cylinder, as well, as this one has the proper residual pressure valve for disc brakes.If you make this change, you will need to shorten your push rods. 7/8” masters used 4-1/8” pushrods (measured from tip to tip without the fork attached). 3/4” masters used push rods roughly 3-11/16” long. The shorter rods are not reproduced, so you will need to shorten the ones you have. Now available for wire-wheel-equipped Bugeyes! Both coarse thread and fine thread hubs are available. Coarse thread are 8 threads per inch; fine thread are 12 threads per inch. Be sure to select the proper option in the drop-down menu for the threads your car has! Check out the video below for a completed look at a wire-wheel disc brake conversion, including our rear disc brake conversion, which you can find here: If you would like to learn about increasing stopping power, we have an article here. Install note: When installed properly, the calipers will be on the REAR side of the hub, we have included a picture below. Install note: It is sometimes necessary to remove the anti-squeal backing from the brake pads to get them to fit. INSTALLATION NOTE: Make sure the trunnion at the top of the swivel axle is installed in the proper direction! Click photo below for more info!