If you are looking for quality, appearance, and strength, Swaptech's high mount Sanden A/C kit can't be beat. Swaptech's A/C bracket kit allows you to install the common Sanden 508 A/C compressor on the passenger side cylinder head, alleviating the clearance problems typically found with the OE compressor on LS based engine swaps. Each kit is CNC machined from 6061-T6 aluminum, includes an OEM grade idler pulley, and high quality ARP mounting hardware. Each kit features:   One piece billet main bracket ARP chrome moly mounting hardware Interlocking idler shaft and main bracket for maximum strength and rigidity. Clears valve cover spacers up to .500" Larger bolt diameter on idler pulleys for added strength on higher horsepower engines. Bolts to cylinder head only, not water pump, allowing for increased water pump compatibility as well as compatibility with tall deck blocks. Belt retention guides on idler pulley for reduced belt wandering Simple installation Installation instructions included. Proudly made in the USA. Fits Gen III and Gen IV Small Block Chevrolet engines using a 1997-2011 Corvette front accessory belt drive (except LS9). Will not fit Non-Corvette front accessory belt drives, or LS9 front accessory belt drives. Other parts required, not included with this kit: Belt : Dayco 5061010 belt or equivalent (for OE pulley combinations) Sanden compressor SD5 (508) LS based Corvette belt tensioner  GM# 12559325, GM# 12569301 or equivalent