Introducing our revolutionary:

 Full Floating 9" Rear End System

When building a maximum performance street or track car you find all sorts of weaknesses in the stock components.  One major component that desperately needs attention is the stock rear end.  The stock semi-floating design allows the axles to move back and forth slightly on square roller bearings.  If you want to run big sticky tires and serious rear brakes in the form of a fixed caliper, you'll find this movement pushes the pads away from the rotor when cornering, only to really get your attention when you need to brake for the next corner.  You end up pumping the pedal or have a very long pedal as you have to move the pads back to the rotor face before any friction can occur and slow the car.  Not an enjoyable feeling.  A much more preferable situation is a pedal that is in the same position every time and having amazing stopping ability each and every time you step on the brake pedal.  Brakes are not optional!

One other major safety concern with the stock rear end housing and axle design is that if you break an axle in the right spot, you can loose a wheel!  Think about it.  All that holds your wheel on is the flimsy stock bearing retaining plate and the bearing being pressed onto the axle.  If the axle breaks on the outboard side of the bearing or the bearing fails the wheel is able to fly off in a direction you don't really want it to go!  With today's sticky tires and modern suspension designs exerting way more loads onto components that were originally designed for skinny bias ply tires, we should all take a long hard look at these critical safety areas of our cars. 

Our Full Floating 9" Rear End System eliminates pad knock back and removes the safety concern of breaking an axle.  The weight of the car now rides on the housing, not the axle like the stock design. "The ULTIMATE rear end for your Hot Street, Pro Touring, Drag or Road Racing car" 

Watch as we install the hub, rotor & caliper onto our Non-Parking Brake Full Floater

Click the link below to see what Mustangs Monthly had to say about our Full Floating rear end

Our Full Floating 9" Rear End System includes:

• Brand new, heavy duty 9" housing with full 3" O.D. axle tubes.  Our 3-Link brackets all come come installed and are beautifully and professionally Tig welded, then the housing is straightened to ensure trueness.  Housing is powder coated gloss black and looks almost too nice to install out of sight under your car!
• Housing includes a baffled -6AN vent tube on the LH side, fill, level and drain plugs and a 7/6" stud on the LH axle tube for brake flex line mounting.
• Solid premium alloy steel, double heat treated, 31 spline, fully polished axles.  Axle installation and removal tool included.
• Axle tube seals.  These install in the housing to keep gear lube from migrating down the tubes and keep it in the center section of the housing.
• Steel hubs with races pre-installed. Hubs are machined for 5x4.5, 5x4-3/4 & 5x5 bolt cirlces.  Standard 1/2-20 wheel studs included.
• Heat treated drive plates.
• Massive tapered roller bearings, keyed washer, nut and lock ring.  Special spindle nut socket included.

Once you have your housing configured, add one of these brake systems:

• 11" x .810" rotor with 4 piston forged aluminum calipers - fits 15" wheels or larger - Part #SOT-11BKR-FF
• 12" x .810" rotor with 4 piston forged aluminum calipers - fits 16" wheels or larger - Part #SOT-12BKR-FF
• 13" x 1.10" rotor with 4 piston forged aluminum radial mount calipers - fits 17" wheels or larger - Part #SOT-13BKR-FF

  

Add on one of our brake systems. Available for 15" wheels or larger. Part #SOT-13BKR-FF shown.

Critical dimensions you should know about our housing: 

• For 65-66 Mustangs our system is built 57.25" wide measured from wheel mounting surface to wheel mounting surface.  For 67-70 Mustangs we build them 59.25" wide.  This measurement is taken from the drum or disk face your wheel mounts to.  We can add almost any dimension to the width, 56.50" wheel to wheel is the narrowest width. Custom width housings are non-returnable. 
• 3-Link trailing arm/shock mount brackets are installed 43" on center which is the stock location for 65-70 Mustangs. If you are mini-tubbing the rear inner wheel arch to the frame rail, we can install the trailing arm/shock brackets at 40" on center.  You will need to use our 'Frame Rail Mount' trailing arm option to utilize your mini-tub.
• Pinion angle is 3 degrees up.
• Pinion is located 3/16" to passenger side which is standard for 65-70 Mustangs.
• A 7/16" x 1-1/4" long stud is welded onto the top of the drivers side axle tube 17" in from the wheel mounting face to enable easy mounting of brake line blocks (please see picture above).
• A -6AN vent tube is welded on the drivers side of the housing (please see picture above).
• Please note that if you decide to change any of our standard dimensions the housing is considered custom and is non-returnable.  Please measure twice and order once.
  
  

All systems are built to order, please allow approximately 6-8 weeks build time.