28 cc domes pump or race?

[Octane_114]

I run a stock head that has been cut to 26cc, 190psi i run pump 93 with a little octane boost, havent had any trouble..

 

[Millertime]

I have a set of JSU 27cc domes I am trying to sell.

 

[rubbertoe]

sorry ,shonuff havent logged in for a moment.yea man im running the tbm charging flywheel,im impressed how well his stuff crosses over for freestyle.oh and my 30 cc domes read 175 psi engine cold at 1000 feet in altitude.