The EMPI cylinder head does not have Auto linea as a basis but a new cylinder head developed by EMPI. At the EMPI His the space between the valve and the bougiegat further strengthened and this makes use of 12 mm spark plugs. Compared to the original is the EMPI HP 50% stronger and has 44% more cooling surface. There is more material around the in and exhaust ports present what it may allow any increase. They come complete with stainless steel valves and stronger valve springs features chrome molybdenum disc spring dishes. It is advised to reinforce rocker arm shafts to fit, order this additional. The EMPI HP is mounting supplied ready but take no risk and check on valve leakage before it will mount. A professional always retrieves everything apart to with own eyes and measuring equipment to check that the cylinder head complies with his wishes and fits the head possibly to. Take this work method on this you can save a lot of trouble afterwards.

It is advisable to order directly at options below, they are necessary.