Brand: Black Rock Wheel Manufacturer's Part Number: 997798145 Part Type: Wheels Product Line: Black Rock Series 997 Type 8 Matte Black Wheels Summit Racing Part Number: BRW-997798145 UPC: 033259067166 Wheel Diameter: 17 in. Wheel Width (in.): 9.00 Wheel Size: 17x9 Wheel Material: Steel Designed for Dually Truck: No Wheel Face Color: Black Wheel Face Finish: Matte/Satin Wheel Barrel/Lip Color: Black Wheel Barrel/Lip Finish: Matte/Satin Manufacturers Wheel Series: Black Rock 997 Type 8 Series Backspacing (in.): 4.50 Offset: -12.00mm Wheel Construction: 2-piece TPMS Sensor Compatible: Yes Beadlock Included: No Beadlock Functional: No Lug Nut Seat Style: Conical seat - 60 degree Hub Centric Ring Compatible: No Center Bore Diameter (in.): 5.15 Center Bore Diameter (mm): 130.81mm Center Cap Included: Yes Load Rating (lbs.): 3，650 lbs. Lug Nuts Included: No Small Diameter Lug Nuts Required: No Valve Stems Included: No Quantity: Sold individually. Wheel Bolt Pattern (application): 8 x 170mm Black Rock Series 997 Type 8 Matte Black Wheels Black Rock steel wheels are specifically engineered for serious off-road and rock climbing applications. These Series 997 Type 8 matte black wheels feature eight classic soft extruded hand holes for a winning look. They also feature one-piece steel construction and have a matte black finish. These wheels include the standard matte black center cap and use conical-style lug nuts for an easy installation.