Fitment Notes:

• Requires 1998-2002 F-Body (2004-2006 GTO) crank pulley (12553118)
• Requires 1998-2002 F-Body LS1 power steering pump & pulley (63105 & 12559885)
• Will NOT fit alternators with bolt patterns from Corvette, CTSV, G8, or 2010-up Camaro. Will fit all other LS powered vehicle alternators. (145+ amp alternators do not have the provision for the rear bracket)
• On truck engine blocks with only 1 mounting hole in the block, a second mounting hole will be required to drill using template #335-551445

Belt Lengths:

• 95.5" (#955K6) when used with 105amp alternator & ICT #335-551472-2 Sanden 7176 A/C Kit
• 98.7" (#987K6) when used with 105amp alternator & ICT #335-551474-2 Sanden 508 A/C Kit
• 89.5" (#895K6) when used with 105amp alternator & ICT #335-551495-2 R4 A/C Kit
• 98" (#980K6) when used with 105amp alternator & ICT #335-551585X-2 R4 HD A/C Kit
• 79" (#955K6) when used with 105amp alternator & factory belt tensioner