A.C. Compressor Mount 143R LS1Camaro, Firebird Motors Low Mount Product Description:

LS1 Camaro/Firebird (Low Mount)
This bracket system is designed to replace the factory A.C. compressor with an aftermarket Sanden 508 compressor. A.C. compressor is driven off the factory inner four grooves of the LS1 Camaro harmonic balancer. Bracket kit includes: Steel mounting brackets, mounting hardware, automatic belt tensioner, Dayco four-rib drive belt and illustrated instructions for easy installation.
Note: Check bracket and balancer dimensions below to insure propper fitment.