Fabricated Aluminum Valve CoversGM LS Series 4.8L/5.3L/6.0LWithout Coil Bracket MountsHeight: 2-1/2"Includes Hardware and O-Ring SealBrushed FinishSet of 2 Fabricated aluminum valve covers for use on GM LS engines. 1 piece billet rail. This does not have coil mount braket holes.1 pair of aluminum valve covers, o-ring seal, threaded/o-ringed filler cap, mounting boltsThese valve covers do not have mounting holes to install coil brackets. Coil packs must be relocated to use these valve covers.