Ka24de head studs
No problems with installation. Highly recommend even if your not doing a big hp build.

HEAD STUDS
Specifications:
Part Type
Cylinder Head Bolt
Quantity
Sold as a kit
Fastener Finish
Black oxide
Fastener Material
8740 chromoly
Washers Included
Yes
Fastener Style
Stud
Head Style
12-point
Cut to Fit
No
Undercut Stud
No
Manufacturer's Part Number:
202-4304
Shipping Weight:
2.14
Package Height:
2
Package Depth:
4
Package Width:
9
Part Category:
Performance Parts
Part Fitment:
Semi Universal