R eference for Intake Manifold: 25383922, 25379713, 12580420. For 04-05 Holden VZ LS1. Adapt the OEM 8 Pin GM Truck/SUV harness to GM 90mm 6 Pin throttle body. F or GM 90mm LS2/LS7/LS3 Car style or 87mm Truck/LS9 style and Nick Williams 103/112mm throttle bodies.
