This clutch engages the belt-driven engine fan when the engine is warm/hot, and dis-engages the fan when cold/cool. These commonly fail, causing the engine fan to not spin fast enough (or at all) when your car is stopped in traffic, causing engine to overheat.
Turner Motorsports Fan Clutches from HorsepowerFreaks
turner motorsports fan clutches from horsepowerfreaks fan clutches. Install and installation help available for parts and accessories for these model years.