ARP Head Stud Kit, BMW S54

The ARP 201-4303 head stud kit is custom-designed for the BMW S54 inline 6-cylinder engine and serves as a replacement for the BMW head bolts 11127831862 commonly found in E46 M3 and E36/7 Z3 M Roadster, Z4 M Coupe and Roadster, and E46 M3 CSL. By installing ARP head studs on an S54 engine, you can enjoy several benefits, including increased clamping force and improved head gasket sealing, which can help prevent head gasket failure. This is especially crucial for high-performance, stroker, supercharged, or turbocharged engines, where increased cylinder pressure can place extra stress on the head gasket and bolts. ARP2000 Strength: 220,000 psi ARP2000 is a heavily alloyed steel that receives special heat treatment and tempering for strength and hardness. ARP2000 is a well-established choice in motorsport and performance applications, as well as standard engine rebuilds. ARP2000 hardware is celebrated by engine builders for its high tensile strength and much greater quality than OEM fast