5/8" Stud Kit with 1.187" Wide Shank Includes Lug Nuts & .250" Thick Washers


Part Number: A1038S

For Axles Drilled And Tapped 5/8″-18

Kit Includes:
5/8″-18 Chrome Moly Studs
– Threads are rolled for maximum strength
– Internal 1/4″ hex to facilitate installation
– Zinc Phosphate coated to resist corrosion
– .686″ OD x 1.187″ wide shoulder to properly locate wheel

Rotor hat width & wheel thickness will determine proper shoulder length
Shoulder should exceed combination but not beyond washer width

Thin Head Self-Locking Nuts
– Ensures positive retention of wheel stud
– Provides additional backside clearance
– 15/16″ wrench size

.250″ Wide Aluminum Washers
– Reduces marring on wheel face from flanged lug nut
– Keeps lug nut from bottoming-out on stud shoulder

5/8″-18 Flanged Lug Nuts
– Provides secure clamping force
– 15/16″ wrench size

Additional Kits
Different Width Washers
For .438″……………. See A1038
For .688″……………. See A1038L

Other Shank Lengths
For 0.775″…….. See A1036
For 0.875″…….. See A1037
For 0.875″…….. See A1037MD (For Strange 2 pc Pro Stock axles)
For 1.500″…….. See A1039
For 1.875″…….. See A1041


5/8 x 18 stud kit with 1.187 shank (.250 washer)

Parts List and Installation Guide pdf File