Features & Benefits: Low Mount LS Alternator bracket for Truck belt spacing Does not include rear alternator brace, idler pulley, or belt Can only be used on blocks with at least 2 mounting holes. If you have a block with only 1 M10 hole you will need to drill and tap the 2nd hole M10-1.5MM. To complete this kit you will need a 1998-2002 factory ls1 Camaro tensioner pulley, and a 6 rib belt K060551 55.125 long. If using a 145 or 160 amp truck alternator a 3/4 inch longer belt will be required. For the Following Cars: For LS Truck Alternator Bracket Low Mount LSX LS1 LS2 LS3 F Body Alternator Bracket Package Including: 1*Alternator Bracket Low Mount .