These studs are designed to be fitted as extension studs to allow the fitment of different wheels where a longer thread is required. The studs are mounted through the back of the wheel hub and the splines on the shoulder of the stud must exactly matxch the splines in the wheel hub.
Nissan (Skyline some models)
Thread Size
Length Including Spline
Thread Length
Spline Diameter
M12 x 1.25
61mm
50mm
13mm