TRP Gen III Valley Cover Gasket w/ Knock Sensor Grommets

Tristar Racing Products Gen 3 LS 4.8 5.3 5.7 6.0 valley cover gasket can be used in place of GM part # 12558178 where your knock sensors are mounted on the valley cover or using a delete plate. Comes with knock sensor grommets and valley cover gasket.

PN: TRP58178