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5/8"-18 x 3" Grade 8 Fully Threaded Bolts• Threads are rolled for maximum strength• Thin .200" hex head provides additional clearance• Length is measured from underneath the head of the stud• 7/8" wrench size.0625" Hardened Washers• Prevents galling• Ensures hex remains true to backside of axle flange.687" O.D. x .875" Stud Sleeves- Provides proper diameter, & surface to pilot wheel- Internal 5/8"-18 threads to secure stud and prevent movement- Notched for installationSleeve Installation Wrench• Fits notch on sleeve to simplify installation.688" Wide Aluminum Washers• Reduces marring on wheel face from flanged lug nut• Keeps lug nut from bottoming-out on stud sleeve *5/8"-18 Flanged Lug Nuts• Provides secure clamping force• 15/16" wrench sizeRotor Hat, & Wheel Thickness Determines Proper Washer Width• Sleeve length should exceed combination but not beyond washer• Additional sleeves are available - A1027CWith Other Width Washers.250" - A1027S.438" - A1027Kits With Integral ShanksA1036 / A1037 / A1037MD / A1038 / A1039 / A1041