Holley 20-166: 20-166 Alternator Bracket Kit GM Supercharged Gen III/IV LS, LSA
GM Gen III/IV LSA, LS Supercharged Engines
Alternator Bracket Kit Supercharged GM Gen III/IV LS, LSA Fits All Holley Alternators Compatible w/OEM Damper and Crank Pulley Works with LSA and 2010-2015 Camaro LS Water Pumps Natural Finish