Complete Front Driver Side CV Axle Shaft For Audi A6, A6 Quattro, A8, A8 Quattro Automatic W/ABS 3.0L Engines Only Overall Length: 21 5/8" Inner Spline: Bolt-on 6 Hole, Outer Spline: 38 Lifetime Warranty on Internal Components For Vehicles With ABS Some vehicles may have specific fitments, please refer to the "See all vehicles this product fits" link below to verify fitment for your vehicle.