bumpin this up, Jeg's has the 240cc port Promaxx heads now.
a few different valve spring configurations. 2.19/1.81 valves.

no pics or flow charts for them though, the pic in the listing is the regular promaxx BBM head...

http://www.jegs.com/p/ProMaxx-Performanc...947797/10002/-1

Last edited by krautrock; 11/08/16 06:33 PM.