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1320 Performance Extended wheel studs. 1320 Performance extended wheels studs are manufactured using high-strength alloy steel.
FITMENT: 02-12 SUBARU IMPREZA WRX / STI
1320 Performance extended wheels studs are manufactured using high-strength 10.9 Grade alloy 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
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.
|Diameter - Pitch||M12 x 1.25|
|Wheel Stud Hole Size - Cast Iron/Steel Hub||0.549˝ - 0.559˝|
|Cast Iron/Steel Hub Drill Bit Size (actual dim.)||14mm (0.551˝)|
|Wheel Stud Hole Size - Aluminum Hub||0.549˝ - 0.555˝|
|Aluminum Hub Drill Bit Size (actual dim.)||14mm (0.551˝)|