2” Cast Block Kit GM Silverado / Sierra 2500/3500 HD W/ Factory Overloads 2011-2018
Bison Off Road’s rear block kits are built with what the factory had in mind. Using OEM cast style blocks. Kits come with new u-bolts and hardware. Featuring an E-Dip coating for long lasting corrosion resistance.
- OEM Style Flat Cast 2″ Blocks
- New U-Bolts with Lock Nuts
- E-dip Liquid Powder Coat Finish
- Lifetime Warranty
- GMC Sierra 2500/3500 HD W/ Factory Overloads 2011-2018
- Chevrolet Silverado 2500/3500 HD W/ Factory Overloads 2011-2018