trust me dude- its 60mm- and rolled back to the rest of the manafold- the guys at kim barr racing did a great job on it- if you have any questions you are more than welcome to check it out for yourself.

and to answer a previous question- i would love to hit 300hp all motor- dont know how fesable it is but im gonna try to get close.. tis my goal anyway

dallas texas

Kareem