Description
PJS High-Compression Head for Kawasaki 550 Reed Motor – domed head tailored for reed-valve 550 engines, adding compression and power.
The stock 550 head is flat as a pancake. PJS’s domed head raises compression significantly, waking up the entire powerband while maintaining reliability for daily abuse.
Perfect for restored JS440/550 race skis or vintage lake toys that need more snap. Comes with 7 stainless steel head stud & 2 head gaskets so you can choose the correct compression for your application. Between 170-210 depending on cylinder, decking, porting, altitude ect (.020 copper gasket & .040 fiber gasket). The dome profile is specifically engineered for reed motor timing and the 550’s combustion characteristics.
- Domed design increases compression
- Billet aluminum construction
- Optimized for reed motors
- Fits 550 reed engines
- Comes with 7 stainless steel head studs
- Comes with 2 head gaskets so you can choose the correct compression for your application.
- Made in USA
More compression, more power, classic reliability. PJS: 550 awakened.
