The 
Valvoline 881250 All Engine Clean First Fuel Defense Kit
 is a professional-grade treatment designed to eliminate stubborn carbon deposits in modern gasoline engines, specifically those with Gasoline Direct Injection (GDI) and Port Fuel Injection (PFI) systems.

Key Features and Benefits
Kit Components
The 881250 kit typically includes:
  1. Intake Cleaner: A proprietary formula that targets the air intake, plenum, and runners.
  2. Fuel Treatment: An additive often added directly to the fuel tank to maintain injector flow and prevent misfires.