Wheel Hub for Chevrolet Trailblazer/Envoy 02-09 Front RH=LH FREE 1-year UNLIMITED mileage warranty coverage on Evan-Fischer items purchased thru AUTO PARTS GIANT Store A high quality, Direct Fit OE Replacement Wheel Hub from Evan-Fischer Bolt Pattern: 6 x 5 in., Bolt Size: M12 x 1.75 in., Hub Pilot Diameter: 3.62 in., Flange Style: 3-bolt modified triangular flange Spline Count: 27, Brake Pilot Diameter: 3.11 in., Flange Offset: 1.85 in., Stud Size: M12 x 1.5 in., Wheel Pilot Diameter: 3.06 in., Flange Diameter: 5.94 in. Bearing Included, Bearing Type: Ball, Non Driven, ABS sensor and lug bolts