If a customer is replacing a bad valve lifter in a V8 engine, which type of gaskets will he need?

When replacing a valve lifter in a V8 engine, it is essential to focus on the components that directly interact with the valve train. The valve lifter operates within the engine's cylinder head, and any work done in this area typically requires the removal of the valve covers. Therefore, new valve cover gaskets are necessary to ensure a proper seal and prevent oil leaks once the covers are reinstalled.

Additionally, if the intake manifold is removed to access the lifters or if it's part of the servicing process, new intake manifold gaskets will also be needed to maintain a proper seal between the intake manifold and the cylinder heads. This combination of valve cover and intake manifold gaskets is essential for a successful repair and for maintaining engine integrity after the work is completed.

The other options, while related to different engine components, do not pertain directly to the valve lifter replacement. The exhaust manifold and cylinder head gaskets are relevant for different aspects of engine assembly and function, typically associated with exhaust flow and sealing combustion chambers. The oil pan and rear main seal gaskets relate to oil containment and are usually addressed when working on the lower engine assembly. Timing cover and water pump gaskets serve a distinct purpose in sealing the timing mechanisms and coolant systems