Product details:

Gen-3 LS Knock Sensor Relocation Brackets 551216-KN30Allows LS Gen III knock sensors to be retained and relocated from the valley pan area to the bottom edge of the engine block - Required if wanting to keep your knock sensors while using an valley pan (ICT# 551629 or 551629G)Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum - Compatible with: All gen III harnesses, gen III knock sensors - Fits engine RPO codes: LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33Includes: 2 billet aluminum knock sensor brackets, and mounting hardware - Requires extending wire harness or using an knock sensor extension harness # WEKN030-36Wire assignments:Driver side - bank 1 - dark blue wire - Passenger side - bank 2 - light blue wire