↑ Head Assembly MO17
Cylinder Head Assembly (ET 22F/R-AS)
- in front and rear execution
- completely mounted with all parts as per picture
- Special features:
- roof of combustion chamber reinforced between valve channels
- more material around inlet and exhaust ports. Can be supplied with an inlet port diameter between 26 and 38 mm (1½") -please specify.
- combustion chamber modified for higher compression rate (from 1:8 to 1:8,5)
- re-inforced and enlarged cooling fins around exhaust port
- upper valve guides with seals, enlarged into spring chamber for ultimate fixation
- valve seats in lead free execution
- stainless steel exhaust nuts
- the cylinder heads have been tested and approved by Erich Kruse under racing conditions
- Important remarks:
- It is recommended to exchange both heads simultaneously due to the design of the cumbustion chamber. Please let us know if you prefer to exchange only one head in order to modify the combustion chamber to its original design.
- Upon request your existing rocker arms can be fitted into the bearings without additional charge if you send them with your order.
- For better accessability, the spark plug hole on the rear cylinder is located on the right hand side. Should you prefer it's original location on the left hand side, please specify.
- Cylinder heads can be modified for application of a twin spark system. If wanted, please specify.
- Also available in black colour
- Details (click on the pictures to enlarge):
ET22 Cylinder head  |
ET34+ET33 Valves  |
ET84 Exhaust Pipe Nut  |
Exhaust Pipe Nut Key  |
ET39+ET39/1 Valve Springs  |
ET41 Lower Valve Guide  |
ET26/1+ET100-AS Rocker Arm Bearing with Rocker Feed Bolt  |
ET28 Rocker Pin  |
ET40 Top Valve Guide  |
ET37 Valve Spring Cap  |
ET27+ET45/1 Tappet Adjuster With Nut  |