LS Truck 6 Rib LSA Tensioner Base and Idler Bracket Kit Designed for use with any year truck/SUV (or LS1) style water pump (not compatible with LS3/L99 Camaro water pump) <ul> <li>This kit uses truck/SUV (or LS3/L99 Camaro) crank pulley</li> <li>Includes: idler / tensioner base brackets, idler pulley, and mounting hardware (does not include belt tensioner)</li> <li>Compatible with a factory LSA 8 rib Supercharger Belt Tensioner. (12622452 or ICT # TEN501)</li> <li>Compatible with ICT Billet LSA truck or Trailblazer SS alternator and power steering bracket kit (551787A-3 or 551787B-3) and throttle body spacer (551757-5)</li> <li>Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum</li> </ul> <p> <br/> Belt length with standard (105amp) or high amp 145/160amp) alternators: 1055K6 (6 rib, 105.5inch) when paired with 551787A-3 or 551787B-3</p>