PJS Cast Aluminum High Compression Heat kit for Kawasaki 550 Jetski Engines.
Available for Piston Port and Reed Cylinder Engines.
Select your make and model of 550 to confirm Reed or Piston port:
Piston Port -- 1982-1989 JS 550 & 1990 550SX Jetskis
Reed Engines -- 1991-1995 550SX Jetskis
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
Proudly Made in USA !