Stage 1 Performance Non AFM Delete Kit for 2007-2017 Chevrolet GMC Trucks SUVs Gen IV 6.0LThis kit includes everything needed to delete AFM DOD (Active Fuel Management) from 2007+ Gen IV GM 6. 0L engines. With this kit, you will retain VVT (Variable Valve Timing), and reuse the timing chain set. Kit Includes: Stage 1 non AFM DOD w VVT Camshaft (includes phaser limiter kit) 16 non AFM DOD lifters w plastic trays Complete head gasket set w MLS head gaskets Complete head bolt set Front timing cover gasket set GM brand non AFM DOD valley plate