Overview Reviews Product Description Specifications Cylinder Head Gasket4.210 in Bore0.053 in Compression ThicknessMulti-Layer SteelSmall Block FordEach Product Videos Custom Field Product Reviews Write a Review Write a Review × FEL-PRO FEL-PRO SBF MLS Head Gasket 4.200in Bore .053in FEL1137 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *