Our 20-145 tractor or truck pulling fabricated chromoly housings with TIG welded construction inside and out come with internal bulkheads and folded gussets for maximum strength and durability. Housings come with billet fill cap and billet Rockwell 106 Spindles installed, vent and drain included but shipped loose (not shown in picture.)as well as 6' of 3 1/4" DOM axle tubing and 1 3/4" x .095 chromoly prebent top and back brace tubing. We can supply all the parts to finish your projects, from brackets to brakes, you can count on us to help you complete your project like a pro. We are dealers for SCS GearBox, Strange, Moser, Mark Williams, Wilwood and many more high quality companies ready to serve your needs. Additional $15.00 charge for shipping insurance will apply. (145# shipping weight - requires 2 boxes)