Add to Wishlist Coats 5606394 Light Truck Back Cone Spacer Coats 5606394 Light Truck Back Cone Spacer Allows back coning of wheels with up to 5.20" (132.08mm) center-holes. Extends the diameter of the faceplate to allow larger cones to be mounted behind the wheel. Back cone mounting is critical for balancing... MSRP: $583.00