20pc 75mm 12x1.25 to 12x1.25 Rim Wheel Stud Conversion 52mm Shank Converter Bolt
SPECIFICATION:
Material: Steel
Overall Length: apporx. 75mm / 2.95''
Shank Length: apporx. 52mm / 2''
Thread Pitch (Car Side): 12x1.25mm
Conversion Pitch (Wheel Side): 12x1.25mm 
Package included: 20 pieces 
 
FEATURES:
--- Our stud bolts are manufactured with strong cold forged Metric Grade 10.9 steel. Additional Heat Treating ensures dependable strength, durability, and performance. Machine precision threads ensure the best fit on the vehicle's hub and lug nuts. The special Nickelage provides ultimate corrosion, rust, and scratch resistance.
--- Requires standard tire repair tools, allen wrench / hex tool, torque wrench, and socket.
--- While installation is simple and most knowledgeable buyers can install themselves, we recommend professional installation especially if it is your first time installing auto accessories.
--- Apply thread-locking fluid to the studs (short thread end) and torque to 20 ft/lb. Lug nuts should be torqued to OEM specifications. For your safety retorque all hardware (studs and nuts) after 25-50 miles.
 
HOW TO INSTALL:
 
(1) Loosen all lug bolts while the car is on the ground.
(2) Jack up the car, take off lug bolts, remove the wheel.  
(3) Apply a drop or two of thread-locker onto the threads at the short end of the stud.
(4) Screw in the stud until it is hand-tight. Repeat these two steps until all all bolts have been inserted.
(5) Slid hex key into a socket and attached it to a torque wrench with an adapter. Set your torque wrench to 20 ft/lbs and tighten all studs. 
(6) Slide the wheel back on the studs. Make sure it is centered on the hub. Tighten lug nuts onto all studs. (Our this item does NOT comes with nuts, you should buy the lug nuts by yourself.)
(7) Lower the car onto the ground. Grab your torque wrench again tighten all lug nuts.
(8) Enjoy the benefits of your work. 
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