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Grannas Racing

Ford 8.8" Rear End - Differential Swap Kit for Lexus IS300

$ 2,885.00

Grannas Racing

Ford 8.8" Rear End - Differential Swap Kit for Lexus IS300

$ 2,885.00

$ 2,885.00

Full 8.8" Ford rear end / IRS differential bolt in kit for the Lexus IS300 / IS200 / Altezza.

Different from all the other 8.8 kits out there, we designed this kit around the use of main cap load bolts, which are integrated into the aluminum diff cover that comes with my kit. These load bolts provide support for the main bearing caps in the rear, for dramatically increased strength on hard acceleration. This is a very important part of these 8.8 rears when it comes to high horsepower applications. The rear mounting "cage" was designed specifically to allow easy access to these load bolts, while still allowing for a full bolt in kit.

Watch my video on the install below to see how the load bolts work.

The Ford 8.8 is widely used and regarded as a great bang for your buck rear end. It has many many gear options available, which makes it not only very affordable, but also very flexible!

This Lexus IS300 / Altezza ford 8.8 kit will ONLY work with the smaller Cobra / Thunderbird / Mark VIII Rear end 8.8 IRS case. I chose this case because they are the most compact and can fit in the subframe without issue! These junkyard rear diffs can be found at your local junkyard for $150-250. Pretty cool, right??!! This kit will allow you to bolt in this strong, affordable rear end kit into your Lexus IS300. The kit is 100% bolt in, and used your factory rear subframe mounting holes. The rear cage and front mount also come with a lifetime warranty! I am confident they will hold whatever you throw at them! 

There is only one option for axles at this time, which is the Level 5 axles. 

Level 5 Axles:
These are the best quality out there, built by Driveshaft Shop. These Level 5 axles have a billet outer stub that will bolt-in to your factory wheel hubs. These are good for around 1000hp. These also come with a billet inner stub for the 8.8 rear. You will need to swap over your ABS sensor rings to the new axles.

The Grannas Racing 8.8 Kit Includes:

  1. Low Profile Cast aluminum rear diff cover
  2. Fabricated rear cage mount
  3. Fabricated front crossmember mount
  4. All hardware required for installation
  5. Customer will need to find a cobra / thunderbird / mark 8 diff at local junkyard, usually these go for $150-250. I can also build a diff to suit your needs.

Axles and driveshafts are normally a 2-4 week wait time. Aluminum or Carbon Fiber driveshafts can be made for any transmission combination. Just let me know what chassis and what transmission combo you are running in the order notes! 

You can have a local shop mustang/domestic shop build your junkyard 8.8, or you can have me build you one to your specs. In the dropdown options, you can select a GR built rear which includes a Truetrac LSD, and gear ratio of your choice, and all new bearings and seals, it also includes me sourcing the differential case. For ring and pinion, in V160 cars I recommend a 3.25 gear, for the T56 Magnum / GR series transmissions I recommend 4.10 to 4.30 gearing. Please note there is a 3-4 week build time on the 8.8 rear ends.

Check out the pictures to see the stacking order for the front mount hardware.

VIDEO COMING SOON