Ferrea’s valve springs guarantee optimal valve operation

Reduces piston slap for quieter

resulting in unparalleled durability for your engine

giving your S85 engine a broader power band and improved throttle control

Since 1989

5150 AutoSport Head Gasket & Head Stud Kit, BMW / Toyota B58 Gen2 F98 Ferrea’s valve springs guarantee optimalMLX Head Gasket The Cometic MLX Head Gasket is engineered for B58 turbocharged inline six engines in BMW chassis and the Toyota GR Supra A90 A91. It replaces Toyota part # 11115WAA04 ,11127934583, and 11127934584. C14144 036, C14144 040, C14144 042, C14144 04052 Built with multiple layers of coated and uncoated stainless steel, MLX gaskets conform to the cylinder head and block during the first heat cycle, forming a chemical bond for superior sealing.