Used with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection GM These step bars are designed

These step bars are designed for both form and function with a curved and stylish look

2019-2026 GMC Sierra 1500 Fleetside

and upgraded internal components

we recommend that the intake be used without the box plug

2011-2014 Chevrolet Silverado 2500 HD WT Diesel Crew Cab Pickup

Used with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection GM These step bars are designedIntended for use with Dominator, HP, Terminator X, and Terminator X Max ECU's when using a Terminator or Terminator Stealth throttle body injection unit on a Gen 4 58x LS engine. This harness has crank and cam sensor plugs for Gen 4 58x LS engines as well as Even Odd LS coil harness plugs and a bulkhead connector for Holley P N's 534 225 and 534 227 and similar throttle body injection units.