ARP Head Stud Kit - Mazda 2.5L (KL Series) V6 - 218-4704 Exhaust Gaskets & Hardware the factory 2-port system are

the factory 2-port system are readily apparent during the tuning process

The EVS is an electronic solution that allows the removal of the exhaust valve actuator

Mitsubishi

Clutch Disc: 3000204

TC7-XTR4 kit features an Xtreme pressure plate for the most demanding driver

ARP Head Stud Kit - Mazda 2.5L (KL Series) V6 - 218-4704 Exhaust Gaskets & Hardware the factory 2-port system areIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat treated