Chevrolet Performance Lifter Guide / Tray Gen III and IV LS-Series GM Engines (Except with Active Fuel Management)
Fits all stock GM production LS blocks for applications without Displacement-on-Demand (DOD) or also known as Active Fuel Management (AFM). If you are removing AFM from an LS engine you will need to replace the AFM lifters with stock LS lifters and use this lifter guide (quantity of 4 required).
Item #: X12595365
12595365 12551163