Used with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection GM Pro 10R 10-Layer Progressively Finer

Pro 10R 10-Layer Progressively Finer Cotton Gauze Oiled Media for Maximum Performance

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

Easy installation with factory mounting and wiring connections

ensuring consistent and optimized airflow dynamics

2019-2026 GMC Sierra 1500 Fleetside

Used with 58x/4x Gen 4 LS with Terminator Throttle Body Fuel Injection GM Pro 10R 10-Layer Progressively FinerIntended 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.