The BTR Gen V Delphi Lifters are a set of 16 hydraulic roller lifters built to Delphi OEM specifications for GM LS-Series engines. Each lifter measures 0.842 in outside diameter and serves as a service kit for worn Gen V LT AFM lifter sets, including AFM/DOD conversions. These lifters also work with Gen III and Gen IV LS engines when a 0.025-0.050 in longer pushrod is used. The set ships with BTR's exclusive soaking and storage trays.
- Part Number: X17120735-16
- Type: Hydraulic Roller Lifter
- Outside Diameter: 0.842 in
- Application: GM LS-Series; service kit for Gen V LT AFM lifter sets and AFM/DOD conversions
- Additional Compatibility: Works with Gen III/Gen IV LS engines using a 0.025"-0.050" longer pushrod
- Quantity: Set of 16
- Includes: BTR-exclusive lifter soaking & storage trays
- Install Note: Wash off packing grease with solvent or mineral spirits and check rollers for binding before soaking in oil; recommended installation preload is .060"-.080"; use new factory-type lifter trays for installation
- Warranty: Sold without manufacturer warranty
FAQ
What engines are the BTR Gen V Delphi Lifters (X17120735-16) compatible with?
These lifters are designed for GM LS-Series engines and serve as a service kit for Gen V LT AFM lifter sets, including AFM/DOD conversions. They also work with Gen III and Gen IV LS engines when a 0.025"-0.050" longer pushrod is used.
How many lifters are included in this set?
This part number includes a complete set of 16 hydraulic roller lifters, enough for a full LS engine.
What is the outside diameter of these lifters?
Each lifter has a 0.842 in outside diameter, matching Delphi OEM specifications.
Is there a recommended installation and cleaning procedure?
Yes. BTR recommends inspecting each lifter for damage, washing off the packing grease with an automotive solvent tank or mineral spirits, checking the rollers for binding, and soaking in oil before installation. Recommended preload is .060"-.080", and new factory-type lifter trays are recommended. This lifter set does not carry a manufacturer warranty.
