APE offers fully CNCed Hayabusa cylinder head package. A perfect companion to our 1397, 1441, and 1507 engine packages.

The intake and exhaust are precision CNC ported on the latest state of the art equipment, for optimum flow and velocity. Each port is duplicated exactly as the others.

Combustion chamber is CNCed for increase flow around the intake seat.

Then topped off by a full race valve job.

Head is assembled with new seals, APE valve springs and, APE titanium retainers are used to accommodate lifts up to .420"

The entire assembly is shipped ready to shim and install.

HW-60 $1575.00

CNC porting is available only with this complete package.

Options include; Stainless steel, or titanium valves
Welding smog holes in exhaust pockets
Lowering valve guides.