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and exceptional durability—perfect for high-performance builds and motorsport applications where reliability is key
Ideal for aggressive street builds
Honor your machine
is made from a material that has a tensile strength of 260 ksi
Double-D keyed shaft and drive gear
B46 / B48 Fire Ring Set G80 and exceptional durability—perfect for high-performance5150 AutoSport Fire Ring Set for B46 B48 Engines Compatible with OEM Head Gaskets 5150 AutoSport Fire Rings are designed to enhance head gasket sealing in high performance BMW engines. Compatible with OEM head gaskets, these rings provide a superior seal for forced induction and high compression applications. Available in sets of six or eight, they help prevent head gasket failure under extreme conditions. Compatible with OEM head gaskets for a
