Check the listing for details. BTR Delphi LS7 Lifters with Guide Trays - Set of 16 Brian Tooley LS Lifters LS1. Condition: New. Listed at 209.95 USD. Brian Tooley Racing Delphi Hydraulic Lifter Set with Trays - LS7 - X12499225-16Full set of 16 Delphi hydraulic roller lifters, also known as LS7 lifters, in BTR packaging. These will also work in SBC and LT1 applications that originally came with hydraulic roller lifters.This listing also includes a set of four GM 12595365 Lifter Guide TraysBTR Delphi LS7 lifter cleaning procedure When receiving your new LS7 lifters we recommend removing them from the packaging and checking for any obvious signs of damage to the lifter body or wheels. The lifters should then be washed in either an automotive solvent tank or with mineral spirits to help remove the stiff packing grease used during lifter assembly. We then recommend you check rollers for any binding or roughness before soaking. WE ALWAYS RECOMMEND THE USE OF NEW, FACTORY TYPE LIFTER TRAYS WHEN INSTALLING NEW LIFTERS! No manufacturer warranty on lifters. LS1 LS2 LS3 LS6 LS7 LM7 L33 LFA LSA LH6 LQ4 LQ9 L76 L92 L99 L96 LC9 LY6 LMG LH8 LR4 LM4 L59 L77