The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
The Rock Box a Dana 300 Replacement case
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  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case
  • Load image into Gallery viewer, The Rock Box a Dana 300 Replacement case

The Rock Box a Dana 300 Replacement case

Regular price
$1,400.00
Sale price
$1,400.00
Regular price
Sold out
Unit price
per 

Machined from a solid block of aircraft grade 6061-T651 aluminum and almost 7/8" thick in the cross section, The Rock Box was built for abuse!

Clock-able in 7 degree increments from stock to flat, Twin stick design allows independent selection of any gear including front dig in high or low, universal design allows the case to be built in either passenger or driver drop orientation without any extra parts, install 4:1 gear set with no fitment/clearance issues. Case works with 1981 and newer long rear output housing and all aftermarket rear output housings available currently. All holes in the case are blind including the intermediate shaft to eliminate any potential leaks.

Includes: Main Case body, Case lid, Complete shifting assembly, Front output bearing retainer (stock or 32 spline), Front output preload cap and all necessary fasteners to assemble case. 

Empty case weight is 24.13 lbs

Stock gears, stock shafts 70.1 lbs

Stock gears, 32 spline shafts 72.2 lbs

4:1 gears, 32 spline shafts 72.6 lbs

Stock Dana 300 weight 85 lbs

Made 100% in the USA 

This is a Pre-Order Product with a 4-6 week turn around as all cases are machined in house.

If you have any questions or comments don't hesitate to give us a call, text or email