
20-137BK Complete GM LS Accessory Drive Kit
Includes:
Installation Notes:
This Holley Complete GM LS Accessory Drive Kit requires a Holley Installation Kit for assembly. Installation kits are sold separately to allow for greater customizability for specific applications. Refer to instructions to determine the kit required for your application.
- Holley Accessory Drive Bracket Installation Kit for Standard (Short) Alignment - 510-21-1
- Holley Accessory Drive Bracket Installation Kit for Middle Alignment - 510-21-2
- Holley Accessory Drive Bracket Installation Kit for Long Alignment - 510-21-3
LT Compatibility:
This Holley Complete GM LS Accessory Drive Kit is compatible with GM Gen V LT Engines. The following additional equipment is required to use this kit on an LT engine:
- Holley GM Gen V LT Accessory Drive Installation Kit - 510-21-5
- Holley LS Water Pump with Forward Facing Inlet - 510-22-100
- Holley LS/LT Throttle Body Angle Adapter - 510-717-15
Effective Solutions to Accessory Drive Installation Difficulties
Holley High-Mount Accessory Drive Kits position components well above the cross-member for the room you need to complete your engine swap project.
Holley Low-Mount Accessory Drive Systems
Holley Mid-Mount Accessory Drive Systems









