Polished 75mm Plenum with 70mm throttle body. Completely assembled. Engraved with the Buick Power 6 logo. Comes with angle IAC boss,new IAC,new TPS,our exclusive stainless steel throttle arm and cable bracket,billet vacuum block and gasket mounting kit. This Bolt On and Go kit lets you keep your stock parts intact if you decide to return your car back to stock. No more lost or missing not to mention hard to find parts! This kit would run you well over $950 if you bought the parts separately. We also sell every piece separately.