Turbo Stud Nut Kit Subaru WRX STI Forester XT Legacy GT EJ20 EJ25

PRODUCT DESCRIPTION The perfect time to preventively replace your manifold studs is anytime you remove/replace the manifold. This convenient kit includes all the hardware you need to replace your old, rusted or broken manifold studs. PRODUCT APPLICATION Subaru Forester Impreza Legacy EJ20 EJ25 TD04 TD05 IHI RHF5H RHF55 RHF5HB VF22 VF30 VF34 (Turbo to manifold & Turbo to dump pipe) PRODUCT FEATURES Stud with an 5mm inner hexagon in the end so you can fit these stud with a hex key. NUT with uniquely shaped to lock fasteners in place to keep them from backing out or loosening due to vibration or torque, so the nut stays put. Top thread section is deformed to create locking zones. they start easily by hand, then must be wrenched into final position. PRODUCT MATERIAL Stud: S35C HRC30~36 Class 8.8 phosphate coated medium carbon heat treated steel Nut: Top lock flange nut copper plated steel KIT INCLUDES 12 x Studs 12 x Nuts