and they have proven to be a top performer in both street and racing Subaru EJ18 / EJ22 / EJ257 WRX STI engines

Increased disc thickness for improved heat management

specifically designed for use with the M52TU and M54 Aluminum Block engine types

specifically for the N62 engine

The B16A is known for its high-revving nature

BMW N55 Head Gasket & Head Stud Kit Head Stud Kit:High Boost Kit - Custom Age 625+ and they have proven toOEM Head Gasket (BMW N55) Genuine BMW head gasket for N55 engines (Part #11127599212). Proven reliable in high horsepower and high boost applications. For engines exceeding 800+ horsepower, O ringing the cylinder head or block is required. Cometic MLX Head Gasket (BMW N55) A direct replacement for BMW part numbers 11127599212, 11127599213, 11127849620, and 11127849621, designed for N55B30 turbocharged inline six engines. Constructed with multiple