This Holley LS/LT high-mount accessory drive bracket set provides a cost-effective, factory-style solution for accessory drive challenges when swapping a GM LS engine into a muscle car, truck, hot rod, or other vehicle. The universal brackets fit virtually all common LS engines regardless of water pump and harmonic balancer offset.
Specifications:
- Accessory Drive Style: High-Mount
- Application: GM LS / GM Gen V LT
- Engine: GM Gen III/IV (LS)
- Center Bore (Register Diameter): 2.486 in.
- A/C Compressor Compatibility: Sanden SD508 or SD7
- Material: Cast Aluminum
- Finish: Cast (natural)
- Product Type: Accessory Bracket
- Part Number: 20-132
Requires an application-specific installation kit (part 21-1, 21-2, or 21-3) for most applications; for LT applications, refer to the 21-5 LT installation kit instructions first. Replacement hardware kit is 97-171.
FAQ
What A/C compressors does this bracket accept?
Sanden SD508 or SD7 compressors.
Do I need an additional kit to install this bracket?
Yes, an application-specific installation kit (21-1, 21-2, or 21-3) is required for most applications.
What if I'm installing on an LT engine?
Refer to the 21-5 LT installation kit instructions before proceeding.
What's the replacement hardware kit part number?
97-171.

