***Check out our new broken stud gallery here**
NEW OEM Black Zinc flake coating with anti-galling friction modifier
50x more corrosion resistant than our previous coating and perfect for track and street applications!
ZERO RISK FOR HYDROGEN EMBRITTLEMENT
Non Toxic and environmentally friendly!
CORE4 SPECIFIC FEATURE: "J form" aerospace threads that are roll formed POST HEAT TREATING (after the steel alloy is brought to its final strength). This is a unique process typically reserved for critical aerospace and engine applications that is proven to greatly extend the fatigue life of the fastener. Standard MSI studs DO NOT have this critical enhancement.
M12 x 1.5 thread size
75mm length: good for up to 12mm wheel spacers (dependent on wheel design)
"D-head" version provides enough clearance to allow servicing on the rear of E36M3/E46/E46M3 cars with wheel hub still on car (parking brake assembly off).
90mm length: good for up to 20+mm wheel spacers
Beyond grade 12.9 material specifications
15,000+ lbs of clamping capacity PER stud when following our torque and lug nut recommendations!
Fatigue resistant geometry proven in endurance racing circles around the country
Fast start bullet nose

