Application：
This convenient kit includes all the hardware you need to replace your old, rusted or broken exhaust manifold and turbo studs.

- Garrett GT25, GT28, T25, T28 Turbine Housing
- NISSAN Silvia CA180DET, SR20DET Turbo
- NISSAN RB20DET, RB25DET, RB26DET Turbo

Kit includes：
- 5 x studs(total length 40mm)
- 5 x egged copper top locked nuts 　

Material：
- Studs: SCM435 with black coating

- Nuts :
Copper Egged nut to avoid vibrating loose and save you from shearing the stud when you attempt to remove them.