[Guest]

just as the topic reads who do u guys think the best dseries head porter is.me personally they guys at www.speedmachineracing.com are the shit.check out thier site for bad ass racing products and thier 11sec all motor crx.

 

[sohcfreak]

no i know exospeed has the best porting of there heads.. i have a friend from san diego,ca that bought one from them and valve seal was linking

 

[Guest]

really he bought a head from speedmachineracing.that weird that it would have been messedup.did he call them and let them know