
199-100 A/C Compressor R4 Design
- A/C Compressor
- R4 Design
- R134A Compatible
Note: Works with all Holley passenger side R4 LS brackets and all other brackets designed for an R4 (Radial) style A/C compressor.Features: - Port for adding (optional) high pressure safety switch
- 5" clutch pulley for safer RPM operation
- Weatherproof 8mm pin clutch connector
- Manifold with 5/8" x 5/8" Sealing Washer design (washers not included)
- Uses weatherproof plug/pigtail - 510-199-200
Accessory Drive Kits for Engine Swap Projects
Holley LS Series Accessory Drive Kits are simple, clean, cost-effective solutions to the accessory drive challenges encountered when swapping a GM LS engine into a project vehicle. Holley Kits supply the required brackets and hardware needed for installation while allowing you to choose the source for supplemental accessories and components that are often already on the engine or vehicle. These kits are designed to deliver correct belt alignment, factory stability, and a stock-style appearance. Whether sourcing from the salvage yard, local auto parts store, GM parts dealer, or Holley, you pick the accessories that match your needs and budget.






