"Jeep Wrangler JK Recovery and Towing 2007-2018 Winch Accessories Spacer Kit ACE Winch Spacers are the perfect solution when running larger winches such as the Warn Zeon or Warn Powerplant on ACE Stubby or Pro Series Bumpers. These spacers are 1/2"" thick. For the Warn Zeon our Pro Series Front Bumpers require 1 set of spacers, while our Stubby Bumpers require 2 sets. These spacers are made from mild steel, powder coated and come with grade 8 hardware to replace the factory winch hardware. Free shipping to the Continental US."