Overview Reviews Product Description GM Performance 12498544 Cylinder Head Gasket Multi-Layered Steel LS1/LS6 Pair GM Performance 12498544 Product Videos Custom Field Product Reviews Write a Review Write a Review × GM Performance GM Performance 12498544 Cylinder Head Gasket Multi-Layered Steel LS1/LS6 Pair Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *