Increase the performance and throttle response for your LT1/LT4 Camaro with this LT5 Throttle Body & Adapter Plate, used on the factory LT5 Throttle Body. This adapter plate is only intended to work with the factory LT5 Throttle body and comes in two different sizes, 95mm Straight or 95mm to 87mm. The straight version is intended to work with manifolds that are ported to 95mm, or a MSD Atomic Manifold which can be found HERE. The 95mm to 87mm version is intended to work on your stock manifold and does not require any manifold porting.
General Motors is an OEM manufacturer. GM designs and creates the vehicles and the parts for them for makes such as Buick, Cadillac, GMC, and Chevrolet. All GM branded parts are OEM standard quality components and were designed and manufactured to either be on the vehicle from the factory or purchased after the fact as an accessory.