Ok I hope someone can answer my question.I have a Jasper 350 .040 over.it's roller ready.the pistons are dished with valve relief.I have a 89 lb9 roller that I want to take heads and roller set up and put on 350.the firebird is a 5 speed w/ 3.45 posi. out of 89.I run a 600 cfm d/p Holley.hedman Shorty headers. Summit hei.manual fuel pump.I want to know if I can run cam spec of. 492 .492 lift 219 228 dur.what head gasket,valve spring pushrod,rocker arm.

 

Not sure why you posted this in the Pacific Northwest section, moving to general.