- Description
1320 Performance Extended wheel studs . 1320 Performance extended wheels studs are manufactured using high-strength alloy steel. FITMENT: 05-14 Ford Mustang ( 10 pcs front WS-129 ) (10 pcs rear WS-128 ) PRODUCT DESCRIPTIONS 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 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. Specifications Knurl Diameter 0.550˝ UHL 3.315˝ Knurl Length 0.300˝ Nose Length 0.300˝ Diameter - Pitch 1/2-20 Wheel Stud Hole Size - Cast Iron/Steel Hub 0.534˝ - 0.544˝ Cast Iron/Steel Hub Drill Bit Size (actual dim.) 13.5mm* (0.532˝) Wheel Stud Hole Size - Aluminum Hub 0.534˝ - 0.540˝ Aluminum Hub Drill Bit Size (actual dim.) 13.5mm* (0.532˝)