Haweka ProMax HD Pro 8. This 4-Arm Kit is the Professional Centering Solution for Heavy Duty 8 Hole Type Truck Wheel Applications. This Kit comes with 1 - HD 4 Arm Star 40MM Adapter (700E400005), 1 - 700E400020 Centering 40MM Sleeve and 4 - Steel Wheel Studs (700E008003) with Knurled Nuts (700E008009).