Brian Tooley BTR Delphi LS7 Lifters + Trays for Gen 3 Gen 4 LS + Gen 5 LT Eng...
Brian Tooley Racing (BTR) Delphi LS7 Lifters (set of 16) and Guide Trays (set of 4). Full set of Genuine Delphi hydraulic roller lifters and trays, also known as LS7 lifters. BTR Equivalent of GM OEM 12499225.