PreeminentMotors 8x6.5 to 8x180 Forged Wheel Adapters 2pcs 1.5 inch Compatible with Chevy GMC 8 Lug, M14X1.5 Studs| Compatible with Suburban Express Silverado 2500 3500,Savana Sierra 2500 3500

Specification: Vehicle bolt pattern 8x6.5mm, wheel bolt pattern 8x180mm PCD, SAE M14x1.5 Thread Pitch, 126.15mm Hub Bore, 2 pcs 1.5" thickness PreeminentMotors WHEEL SPACERS will widen your car's wheelbase, improving grip, handling, and precision. Developed in a special aluminum alloy through an innovative forging technology, afterwards they are wrought with CNC machine to obtain the perfect coplanar surface. They are heat treated to increase the mechanical resistance and next they are anodized to get the oxidation protection. PLEASE MAKE SURE: 1. Spacers' PCD/ Bolt Pattern 8x6.5(165.1mm) = Your Vehicles' s 2. Spacer’s Studs bolt pattern 8X180mm= Your new wheel’s 3. Spacers' Thread Pitch M14X1.5 = Your Vehicles' 4. Spacers' Thread Length 47± 0.3 mm >= Your Vehicles' 5. Spacers' Hub Bore 126.15mm >= Your Vehicles' Check the recommended vehicle Compatibility/ Fitment below, do not risk for inappropriate vehicle. 1988-2000 C2500 C3500 K2500 K3500 Pickup (8 Lug) 1997-2021 Express 2500 3500 2002-2006 Silverado 1500 HD 1999-2010 Silverado 2500 3500 1992-2013 Suburban 2500 2002-2007 Avalanche 2500 1997-2021 Savana 2500 3500 1999-2010 Sierra HD 1500 2500 3500 2000-2013 Yukon XL 2500 2014-2021 R~a~m 2500 3500 IMPORTANT NOTES: Professional installation recommended. Alignment is necessary after installation, this will prevent any wobble and vibration from occurring. Avoid an impact wrench; improper usage may cause lug nuts/bolts to break or loosen while driving, it will take potentially accident or injury. Make sure you get 6-8 turns before tightening. Re-torque all lug nuts / bolts after 25-50 miles of driving, then again 1-2,000 miles. The back of the adapter must sit flush against the vehicles hub. No rust on the inner of hub and wheel while installing the Hub centric wheel spacers. If the studs do pass the face of the adapter, you will need to grind/cut them shorter.