Hi all,

Just wondering if someone could tell me what the original head height for the GX is. I'm currently looking to buy one (see classifieds) but have been unable to find this spec.

If anyone knows or has a good head and a pair of verniers so that they can measure from the bottom of a port to the face or total height i think this would be an important resource to have here so that people (myself included) dont get burnt buying and ex-speedway head. Thanks in advance.

There is no spec for head height or face thickness.

There is a spec for CCs, it is 29.1 cc.

Thanks ddgonzal. I forgot to mention that I have measured my round port head (logic tells me the would be the same)but wanted to ask just in case.

Edit: Whats the flow vs a a round port or and oval port??

77mm

Thanks WhiteSedan much appreciated.