Our VRP Race Ported Stage2 cylinder heads include: inspection, dissassembly, cleaning, surfacing of heads, de-burring, competition valve job and porting work. The Stage 2 heads are designed to work with the factory sized valves. We also include a set of our custom titanium retainers. This does not include the cylinder heads!! Customer must ship up their cylinder heads. In addition to the cost of the product, a return shipping charge will need to be assessed once the work is complete.