R4 AC bracket for LS engines with Truck/SUV (1999-2013) and Camaro (2010-15) crank pulley and water pump spacing.
This bracket mounts the old school OEM R4 compressor just outside the passenger’s side valve cover and is driven by one main 6-rib serpentine belt.
Reuse the stock compressor from your 88-95 Chevy truck and simply remount it on your OBS LS engine swap.

Product link:
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TECH BLOGS:
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Detail on the differences between the AC systems for Chevy OBS trucks based on their year: [ Ссылка ]

Selecting an AC compressor for your OBS truck:
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