Throttle Body Wiring Harness 8 to 6 Pin for GM Trucks 4.8L 5.3L 6.0L 12580420

Reference for Intake Manifold: 25383922, 25379713, 12580420. for GM 90mm LS2/LS7/LS3 Car style or 87mm Truck/LS9 style and Nick Williams 103/112mm throttle bodies. 1 Throttle Body Adapter Harness. for GM full size V8 trucks (as Silverado, Sierra, SUV,etc.).