This complete Holley LS high-mount A/C accessory bracket kit relocates the compressor up high and away from the frame rail, eliminating the need for notching. It's built for owners who already have a donor engine's P/S pump and alternator system, and includes the compressor, pulleys, and tensioner from OE part suppliers, finished in polished aluminum.
Specifications:
- Accessory Drive Style: High-Mount
- Mounting Side: Passenger's Side
- A/C Compressor Included: Yes (SD7)
- Tensioner Included: Yes
- Finish: Polished
- Material: Cast Aluminum
- Engine Application: GM Gen III/IV (LS)
- Pulley Style: Serpentine
- Part Number: 20-142P
Kit includes: 20-134 LS A/C bracket, 97-151 tensioner assembly with grooved pulley, 97-150 smooth idler pulley, and 199-102 SD7 A/C compressor. Requires a separate application-specific installation kit (21-1, 21-2, or 21-3) for assembly — see the instruction sheet for the correct kit.
FAQ
Does this kit include the A/C compressor?
Yes, it includes an SD7 A/C compressor along with the tensioner and pulleys.
Do I need anything else to install this bracket?
Yes — this bracket requires a separate installation kit (part 21-1, 21-2, or 21-3), selected based on your specific application.
What finish does this kit come in?
It's finished in polished aluminum.
What engines is this bracket designed for?
It's designed for GM Gen III/IV (LS) engine swaps using a serpentine belt.

