Hey guys I have had my shee since 05 got sidetackedfor a few years and well to b honest I just got out of prison and I'm rebuilding the shee I bought some FMF fattys, Pro design cool head with 19 CC domes, ProFlow intake from prodesign and boyseen reed cage and reeds, already have installed promotion twisty, and ricky stator timing plate advanced 4 degrees, im on standard pistons, also had to buy new coil. Iguess im asking will the 19 domes be ok and really whats there purpose ..thank u