➤KAX Wheel Adapters Parameter : Changes Bolt Pattern || Vehicle Must Be 6x5 (6x127mm) || Wheels Must Be 6x5.5 (6x139.7mm) || M12x1.5 Threaded Studs/Nuts || 1.25 inch Thick || 78.1mm Center Bore with NO lip || Recommended torque:70-80 ft/lbs. Package includes 4pcs wheel adapter, 12.9 class split nuts and professional instruction manual ➤Compatibility : 6x127 to 6x139.7 Wheel adapters 1.25 inch are compatible with Front For:; 2002-2009 Trailblazer 4.2L L6; Envoy 4.2L L6; 2004-2007 Rainier 4.2/5.3L L6/V8; 2005-2009 Envoy 5.3L V8; 9-7x 4.2/5.3L L6/V8; 2006-2009 Trailblazer 6.0L V8; 2005 Envoy XL 4.2L L6; Envoy XUV 4.2L L6; 2002-2004 Bravada 4.2L AWD L6; 2003-2008 Ascender 4.2L L6; 2003-2004 SSR 5.3L V8; Envoy XL 5.3L V8; 2003-2005 Trailblazer EXT 5.3L V8; 2005-2006 SSR 6.0L V8; 2006-2008 Trailblazer 5.3L V8; ➤Newest Forging Technology : 6x127 to 6x139.7 wheel adapters are truly forged from aircraft quality 6061-T6 aluminum. You can imagine how exacting the craft of aircraft manufacture is! So it is with adapter. Coupled with SGS certified 12.9 grades high strength bolts, regardless of the cold wind and heat, the adapter will not fall off and break ➤Why Install Wheel Adapters: 6x127 to 6x139.7 wheel adapters are used to change bolt patterns in order to properly fit wheels from one vehicle to the hub of a different vehicle. And 1.25 inch wheel adapter can account for offset, push the wheels out further. ➤Warm Reminder : Even if a vehicle is listed as being compatible, buyers still need to check: 1) You have more than 2 inch of space between your fender and your wheel/tire; 2) Your factory wheel studs are shorter than 2 inch (NOTE: * When installing a bolt on wheel spacer or adapter, trimming the studs will be necessary when the spacer or adapter plate is thinner than your wheel studs are long.) Brand KAX Model OO6WSA51900 Item Weight 17.91 pounds Manufacturer KAX Item model number OO6WSA51900 Product Dimensions 6.34 x 11.26 x 16.73 inches Manufacturer Part Number 7236WSA519AUS