Overview Reviews Product Description SPECIFICATIONS Cylinder Head Gasket4.200 in Bore0.051 in Compression ThicknessMulti-Layer SteelLS / LSXGM LS-SeriesPair Product Videos Custom Field Product Reviews Write a Review Write a Review × CHEVROLET PERFORMANCE MLS Head Gasket Set 2pk LS/LSX 4.200 .051 GMP19170419 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *