1100 yamaha protec head brand new

[waxhead]

Brand new 1100 Pro-Tec triple head with 37cc domes.

What you see is what you get—no O-rings, but they’re easy to source.

$275 shipped.

 

[jpswift1]

Brand new 1100 Pro-Tec triple head with 37cc domes.

What you see is what you get—no O-rings, but they’re easy to source.

$275 shipped.

What kind of compression will I see with the 37cc domes? Thank you.

 

[waxhead]

What kind of compression will I see with the 37cc domes? Thank you.

About 150. If you run a thinner base gasket and you should to close up the squish then it will come up some more. However the stock 1100 is only about 105-110 psi