Patent ID: 7073802

Claim:
A method of lowering the chassis frame of a vehicle, the method comprising: coupling an upper A-frame of the vehicle with an upper ball joint boss, the upper ball joint boss extending from a steering knuckle body; coupling a lower A-frame of the vehicle with a lower ball joint boss, the lower ball joint boss extending from the steering knuckle body; receiving a wheel hub assembly of the vehicle into an aperture of the steering knuckle body between the upper ball joint boss and the lower ball joint boss; and attaching the steering knuckle body with an upper aperture of the wheel hub assembly via a bolt or stud means, such that when the steering knuckle body is attached with the wheel hub assembly, a central longitudinal axis defined by the bolt or stud means intersects with the upper ball joint boss and is collinear with a central longitudinal axis defined by the upper aperture of the wheel hub assembly.