This is a 3.5" cast iron block and u-bolt kit made by Skyjacker and is being offered by Top Gun Customz . This kit fits the 66-77 Ford Bronco 4WD. If you have any questions pertaining to this product, please contact us Toll Free at 1-877-274-9362. Product Description: Skyjacker Rear Block with U-Bolt Kit - All kits include 2 cast iron riser blocks, 4 U-bolts, 8 heavy duty flat washers, and 8 hi-nuts. All blocks are tapered in order to improve vehicle driveshaft angles. Do not use blocks on the front axles of vehicles. This kit fits the 66-77 Ford Bronco 4WD and provides 3.5" rear lift.
Below is a list of vehicles that this product is designed for.