Fits Chevy Silverado & GMC Sierra 2500HD(2020 2024) 3" Lift w Overloads 97730 carburetor Brand Holley EFI Crank Reluctor shirt Brand Holley EFI Crank Reluctor 58x Emission Code 4 Ignition Type GM LS 58x Injector Connector Jetronic Minitimer (Bosch) Product Type HP EFI Kit Automotive Item Grade High Performance Body Diameter (in) 3 drilling or welding Increased ground clearance Levels the front with the rear of the vehicle Torsion bar keys are forged for uncompromised strength Keys are indexed to not stress OE components Upper control arms help maintain factory like geometry while keeping a full range of motion Upper control arms feature OEM style durable rubber bushings Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off road use this kit gives your truck plenty of ride height for up to larger tires while offering a clean