Fel-Pro has expanded its range of MLS cylinder head gaskets for the GM LSX family of competition engines. Each of the new PermaTorque MLS head gaskets features Fel-Pro’s exclusive LaserWeld stopper layer technology currently in use in NASCAR, NHRA and IHRA competition.

Federal-Mogul (parent company) now offers 10 Fel-Pro PermaTorque MLS performance head gaskets for the LSX engine family. Gasket bore sizes include 4.100”, 4.200” and 4.270” offered in compressed thicknesses of 0.041” and 0.053” in dedicated right/left versions.   Gasket Bore                 Thickness                     Volume                        P/N 4.100”                           0.041”                           8.9cc                   26472L-041 4.100”                           0.041”                         8.9cc                  26472R-041 4.100”                           0.053”                        11.5cc                26472L-053 4.100”                           0.053”                        11.5cc                26472R-053 4.200”                           0.041”                         9.3cc                 26473L-041 4.200”                           0.041”                         9.3cc                 26473R-041 4.200”                           0.053”                         12.0cc               26473L-053 4.200”                           0.053”                         12.0cc               26473R-053 4.270”                           0.041”                         9.6cc                 26474-041 4.270”                           0.053                           12.4cc               26474-053   Each gasket is composed of multiple layers of full-hard stainless steel, precisely engineered sealing beads and advanced polymer coatings to maintain contact pressure.