The Ghost Banzai build kit comes with the following and has the parts you need to eliminate the rev limit as well

8 deg key

Diecast economy flywheel

Replacement unlimited coil

Banzai .265 lift cam

26 pound springs

Billet 6773 ARC rod

.009 thick head gasket for more compression (see pictures of example)

Side gasket

Valve cover gasket

2) .062 thick valve spring shim (one under each spring)

1) .032 thick valve spring shim (add this on the exhaust side in addition to the .062)

This kit with a stock ghost carb should make about 13 hp and 7500 rpm, add a China VM22 and 14 hp may be possible (don't be fooled by sales numbers dyno claims, the stock ghost is 9.5-9.8 hp)