1998 - 2003 VORTEC 4.8 5.3 6.0 Standalone Fuel Inj. Wiring Harness W/4L60E (DBC) Torsion Bars this system features precision CNC

this system features precision CNC mandrel bends that maintain consistent pipe diameter for smoother exhaust velocity and improved efficiency

5T PLM Carbon Fiber Intake

or Suburban with GEN Performance LED Headlights

making this manifold ideal for performance-focused SR20DET builds

DIY-Friendly – Simple wiring

1998 - 2003 VORTEC 4.8 5.3 6.0 Standalone Fuel Inj. Wiring Harness W/4L60E (DBC) Torsion Bars this system features precision CNCEASY TO INSTALL 4 WIRE CONNECTION! '99 '03 Vortec Drive by Cable Standalone Wiring Harness with 4L60E Transmission Application '99 '03 Vortec 4. 8, 5. 3, 6. 0 Engines with Mechanical Throttle Body and 4L60E Transmissions Parts Included Complete Engine and Transmission Wiring Harness including all engine and transmission sensor connectors, ALDL Connector, 7 ATO Style Fuse Block, Fuel Pump Relay, Switched Power Ignition Relay, Cruise Control Wiring,