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Ford 9 inch rear axle assembly,CAA:ECGS-COMP9,ECGS-COMP,ECGS,CAA:F9

If your tired of breaking axles, gears and everything else to be told "just buy more". The ECGS COMP 9" is the end of the battle..... backed with a unmatched 5 YEAR warranty.

The Full Float COMP 9" CAA is comprised of the strongest axle components on the market and we have had these in numerous KOH Series, and XRRA series race vehicles. They are for the serious competitor or the weekend wheeler tired of breaking parts. All parts used in the COMP 9" Differentials have been tested and used in intense use and we believe them to be the Strongest components on the market.

Lockers carry manufacturers warranty only! No Limitation on the warranty if spool is used. If you have any question feel free to call. The handling fee is to cover Freight Shipment anywhere in the country. These Units ship free otherwise. NO HANDLING FEE IF PICKED UP AT OUR LOCATION.

The Full Float version is only available in bolt patterns (5x5.5) (6x5.5) & (8x6.5)

Please see our Semi Float option for other bolt patterns.
Pricing: $3,935.00

Customize Your Item

- Suspension Lift -
 * required
- Driveshaft Style -
 * required
 * required
- Bolt Pattern Options -
 * required
- Bracket Options -
 * required
 * required
- Caliper Options -
 * required
- Cable Options -
 * required
- Gear Options -
 * required
- Shaft Options -
 * required
- Width Options -
 * required
- Yoke Options -
 * required


The COMP 9" Center Section is created w/:
*3.25 Steel Case
*ECGS Billet Steel Daytona Pinion Support
*ECGS Billet Steel Yoke
*Solid Spacer
*35 Spline Locker
*Ring and Pinion
*12 Point alloy Steel Pinion support bolts, or Alloy Studs and nuts to accommodate a pinion guard

The 3rd is housed in a welded fabricated housing, the roundness gives it the best ground clearance and the bends give it the best strength. The tubes are 3/8 thick with 3.5" Tubes. These are one of the strongest housings on the market.
Our Full float version uses F-450 Unit Bearings arguably the strongest lightest way to obtain a full float axle. The Full Float version is only available in lug Patterns (5x5.5) (6x5.5) & (8x6.5)

The shafts are American Made: Heat Treated and cryotreated in your choice of 4340 or 300m. Again these shafts have a lifetime warranty and we have never had a failure with either our 4340 or 300M Shafts. These Double splined shafts allow us to control the material being used and the Heat treat and cryo process better these shafts are of unmatched quality.

Finally the Shafts are splined to the unit bearing hub w/ our 4340 Chromoly Slugs.

This axle assembly although expensive is slightly less than most competitors offerings with no shortcomings in fact most are using lesser components. This combination has been used in the toughest rock racing competitions in the country and is ready for more.

The axle can be built for any width and offset you want, moonbuggies welcome if you flip our diff we will still warranty.

FOR OFFROAD USE ONLY!! Please see our FAQ article for the "OFFROAD ONLY" disclaimer.

Shipping Information

  • Item Requires Shipping
  • $200.00