75% of power and efficiency lies in this one component of an internal combustion engine. This is why the highly skilled machinist at Kennedy Performance pays close attention to detail in our cylinder head repairs & services. Fuel air quality, air flow and valve seal are critical to getting the maximum performance out of any engine. All cylinder heads first under go cleaning, magniflux and pressure testing to check the integrity of the cylinder head itself. If the valves guides are worn they are replaced with new guides made of the required material suitable for the application and diamond honed for straightness and proper clearance. The valves are ground and refaced if they pass inspection. Valve seats are recut with Serdi style multi angle formed cutters. If the valve seats are not able to be recut they are replaced with a new valve seat of the proper material to work for the severe duty of the application Deck surface is milled to create a straight smooth gasket sealing surface and the cylinder head and components are final cleaned and assembled. Cylinder head porting to improve the air flow and performance is also available to meet the demand of a customers needs.