This Holley LS high-mount A/C accessory drive bracket positions the compressor high above the cross-member but below the hood line, providing a cost-effective, factory-style solution for LS engine swaps. It accepts a GM R4 compressor or a Sanden SD508/SD7 compressor.
Specifications:
- Accessory Drive Style: High-Mount
- Bracket Coverage: Passenger's side (A/C) only
- Application: GM LS / GM Gen V LT
- Engine: GM Gen III/IV (LS)
- A/C Compressor Compatibility: Sanden SD508 or SD7
- Material: Cast Aluminum
- Finish: Cast (natural)
- Product Type: Accessory Bracket
- Part Number: 20-134
Requires an application-specific installation kit (part 21-1, 21-2, or 21-3) for most applications; can also be used to relocate an A/C compressor on engines using a GM Corvette accessory drive system.
FAQ
What A/C compressors does this bracket accept?
A GM R4 compressor or a Sanden SD508/SD7 compressor.
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.
Can this relocate an existing A/C compressor?
Yes, it's a bolt-on solution to relocate the A/C compressor on engines using a GM Corvette accessory drive system.

