Seat-spring Zx750k1 Zxr750r 1991 Europe Uk Fr Ar Fg It Nr Sp

Replacing the old overworked exhaust and inlet valves when rebuilding the engine is a sensible precaution. The old valves become brittle and can break off around the valve head area, allowing what's left to drop onto the top of the piston causing untold and very expensive damage!
Renewing the parts like stem seals, collets, valve-springs and seats at the same time is vital to ensure those new valves close as they should and not float at high revs destroying themselves and the piston!
With this in mind please see a list of parts below you may wish to consider when replacing this part:

120041138
120051301
120091069
120161116
120201076
490781182
920221224
920491349
921451278
921511641
120161117
120201077
120201078
120201079
921451279
921451280
921511643
921511644

Please make sure that the correct qualities of parts are specified - most parts are priced individually.

We supply all the gaskets and seals you will require - why not order them at the same time?

Use the same sealant as the factory professionals - 08C70K0234M build your engine like a pro!