Exhaust Valve
Fits Trans. code 6L90; 6 speed Automatic trans.or Crew Cab Pickup; Extended Cab Pickup; 78.7" bed; 97.6" bed; Trans.Code 6L90; Fleetside Pickup Box (E63); 6 Speed Automatic Trans.or Standard Cab Pickup; 97.6" bed; Trans.Code 6L90; Fleetside Pickup Box (E63); 6 Speed Automatic Trans.