ECCPP Change your bolt pattern from 5x4.75 to 5x5.5 Wheel Adapters Conversion 1.25 inch 5 lug Fit for GMC Sonoma 1991-2004| for Cadillac XLR 2004-2009 | for Chevrolet Corvette 1984-2019-2PCS
CHECK BEFORE YOU PURCHASING : 1.25 inch Wheel Adapters 5x4.75 to 5x5.5 Please verify the bolt count,bolt circle diameter,center bore,and bolt size match your vehicle before ordering.Enter your Year/Make/Model in system garage filter(AMAZON CONFIRMED FIT)to validate product fitment
INSTALLATION WITH CONFIDENCE : NEED TO INSTALL AFTERMARKET WHEEL IN 5x5.5 BOLT PATTERN,NOT FIT Stock Rims.Wheel Adapters 5x4.75 to 5x5.5 with Thickness:1.25 inch| Vehicle Bolt Pattern:5x4.75 or 5x120.65mm| Wheel Bolt Pattern:5x5.5 or 5x139.7mm| Thread Pitch:12x1.5| Hub Bore:87.1mm | Out Diameter:175mm| Recommended Install Torque:70-80 Ft/Lbs| Package Include:2 pcs Wheel Adapters with Thread locker glue
EXCELLENT DRIVING EXPERIENCE : Our 1" 5 lug Wheel Adapters CHANGE YOUR BOLT PATTERN FROM 5x4.75 to 5x5.5.Provide your car with an aggressive appearance while adding safety and stability to your car. It can effectively increase the wheelbase of the car, balance the center of gravity of the body, reduce body deformation, and solve the problems of drifting and tilting when the car is driving at high speeds and cornering at high speeds
INSTALLATION TIPS FOR YOU : ONLY work after market wheels with 5x5.5 Bolt Pattern.In add,your Vehicle hub bolts size MUST equal to this Wheel Adapters'thread pitch 12x1.5.Requires standard tire repair tools, a torque wrench, and lug socket.Check and re-torque all hardware, including open-end lug nuts securing adapter to wheel hub after some 50-100 miles
WHEEL SPACES LUG BOLT DESIGN : While 12.9's are stronger but less ductile which is an issue in a failure scenario. Pre-installed heat treated 10.9 grade studs are more appropriate in the sense that they have h-igher plastic strain energy, or in simpleton terms: will tend to deform rather than snap.10.9's are more than sufficient for a car application in terms of strength and for the reasons mentioned above are more desirable than 12.9's