Big valve heads custom machined
 

We have 3 different big valve heads for the gy6 50

stock
.023 milled
and a crazy .100 milled

the .023 fits a 52mm domed piston perfect, the .100 is great for a 47-50mm kit, but only on 100+ octane race gas, super high compression, 230 psi, the stocker is great for about any build and will provide the intake velocity to run a 150 carb on a 50, wheelies on demand


stock is $59.99 free delivery
re-machined is $99.99 free delivery

pics?