This Cometic MLS cylinder head gasket is specified for Ford Boss 1969–1970 302 heads on 351C blocks, left-hand side fit, with a .051" thickness and 4.150" bore. Constructed from multiple embossed stainless steel layers with AMP coating and an uncoated shim layer, it increases clamp load around the combustion chamber to enhance sealing while helping manage load distribution and bore distortion.
Cometic Ford Boss 69-70 302 Head on 351C Block .051in MLS Cylinder Head Gasket - 4.150in Bore - LHS