Camel-hump heads (64 CC) aren't all they're cracked up to be. I use the late model low-compression heads with the bolt holes, and angle-mill them to get more compression (60 CC) than a camel hump. They're also "legal" for claimer engines if the tech man doesn't know what to look for!
Jerry
Last edited by Hotrod Lincoln; 01/05/2010 1:48 PM.