Holley A/C Accessory Drive Bracket Passenger Side for LS Engine/R4 Compressor

For a reliable solution to belt alignment and factory stability, get your vehicle this accessory drive bracket from Holley (20-133BK). This bracket is a universal replacement for LS engines and accepts a GM R4 compressor. It’s great for crate engines, take-out motors, and engine builders.

Features and Benefits:
- Universal fit for LS engines
- Accepts GM R4 compressors
- Perfect for crate engines, take-out motors, & engine builders
- Places compressor above crossmember, below hood line
- Anodized black finish
- Flanged head hardware uses OEM specifications
- Matches LS engine’s factory hardware
- Bolt-on installation process

Through a three-step process, you can mount the bracket above the cross-member and below the hood line on the passenger side. This eases installation and adds a sleek look at the same time. First, you’ll need to determine your belt alignment based on the crank pulley position of your engine. Second, pick the corresponding accessory drive brackets whether it’s A/C, Alt and P/S, or both. Once done, you can find the proper Holley installation kit that will line up your accessories with your crank pulley position.

Vehicle Fitment: 1960-1987 Chevy C10

Please Note: This bracket requires an installation kit for assembly. Please see the fitment guide under the Installation & Fitment tab for guidance on which you will need. Part number HL211 is for short alignment, HL212 is for middle alignment, and HL213 is for long alignment.