ARP Head Studs 2.3L Mazdaspeed Engines
06-07 Mazdaspeed 6
07-09 Mazdaspeed 3 (2.3L MZR)
It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerpants. Simply stated, there's not a better stud setup on the market today. These ARP head studs have been specifically developed for the Mazda 2.3L engine.