Cosworth Cylinder Head Stud Kit: Mazda MZR (2.3L)
Application: MZR Engine
Vehicle: MAZDASPEED 3, MAZDASPEED 6 and CX-7

Essential for high performance engine builds, heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Heavy duty main studs keep main bearing caps located and reduce crank flex in high rpm applications.