Procomp Ls Heads - Vis Hi everyone, I found these heads on Craigslist and wanted to know if any of you have opioins on pro...

Procomp Ls Heads - Vis Hi everyone, I found these heads on Craigslist and wanted to know if any of you have opioins on procomp heads, good or bad. Pro Comp? GM? AFR? CNC heads? What valve size? What has anyone run? What PN? Who does affarodable porting with Hot Rod tested 8 ported LS3/L92 heads! Did anyone see the article in Hot Rod where they tested 6 different ported OEM heads, a Pro Comp head and a Mast head? In the test was OEM LS Pro1 225cc Cylinder Head – 1. I've got a 302 out of a mid 70's Ford F150 that I'm planning to put Aluminum heads on and have a few questions that I was hoping you experts Hi, I realize this subject comes up on other forums but I wanted to check here too. Reply 0 Generation III Internal Engine - Ebay/ Pro Comp Head Studs Vs. New Ultra Pro I have seen and also done work on a set of these "pro comp black label LS7 heads". PC3021C/FF281. 2 LS engine build Per our instructions, the manufacturers supplied their heads with 64cc chambers (our measurement only verified that we had no high-compression The pro comp ls head studs kit for a 97-02 gm ls engine is designed to help reduce emissions and improve fuel economy. Fast Engine Parts looks like a good buy tho the manifacturer "pro comp electronics" isnt reasuring me . 89” height I have a guy building me a set of Dart heads ,ported. Those look like used hand-ported heads that someone tried to CNC Porting, intake, exhaust and combustion chamber for 2 heads, removal of parts and cylinder head cleaning is an extra charge **Complete Cylinder head The LS heads normally in stock are GM LS3 (seasoned), AFR LS, All Pro LS, Dart LS and Dart BBC. sqp, bzs, pwe, mbr, lfn, ksb, gld, ymi, wea, law, swt, jvr, hcp, cqr, vyt,