1320 PerformanceExtendedwheel studs.1320 Performanceextended wheels studs are manufactured using high-strength alloy steel.
FITMENT:will work on most GM vehicle with the same stud spec listed below also fits some Aftermarket Honda Acura hubs with larger studs than the stock knurl studs due to aftermarket company use over sized studs.
PRODUCT DESCRIPTIONS
1320 Performance extended wheels studs are manufactured using high-strength10.9 Gradealloy steel.
These extended wheel studs are designed and intended to be used with any
open-ended lug nuts on racing slicks, or when wheel spacers are
required.
Our extended stud replacements are designed to press-fit into the original hole in the OEM hub with a hydraulic press, Aftermarket hub might have a different Knurl diameter than stock so they are not recommended.
SpecificationsKnurl Diameter0.509˝UHL (under head length)2.500˝Knurl Length0.315˝Nose Length0˝Diameter - PitchM12 x 1.5Wheel Stud Hole Size - Cast Iron/Steel Hub0.493˝ - 0.503˝Cast Iron/Steel Hub Drill Bit Size (actual dim.)1/2˝ (0.500˝)Wheel Stud Hole Size - Aluminum Hub0.493˝ - 0.499˝Aluminum Hub Drill Bit Size (actual dim.)12.5mm* (0.492˝)