ARP Head Stud Kit - 98-02 Mazda 2.0L FS-DE - 218-4703 5x100 Subaru STi 6MT Stage 1+

Subaru STi 6MT Stage 1+ Drivetrain Package 95A Durometer Front Bushings

Pour point ASTM D97 -36

2015+ Audi S3

Vibrant Performance TPV Universal Mufflers are race inspired and designed to withstand the extreme demands of today's high-performance vehicles

and increased intercooler size equated to a 29°F drop in outlet temperatures with a gain of 8whp and 8wtq on stock tuning

ARP Head Stud Kit - 98-02 Mazda 2.0L FS-DE - 218-4703 5x100 Subaru STi 6MT Stage 1+It 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