1382983 1382985 These heads check out fine !!! Were on a running engine that ran 11.19 et with TA210-S-HL . no cracks no leaks all threads are fine. Standard valve size with swirl polished stainless steel valves.1125 springs Extensive porting in the bowl area and intake runners both intake and exhaust ports were gasket matched, exhaust crossover holes were filled solid with aluminum . These will bolt up and work on ANY Year big block Buick ,oils through pushrods to rockers $400 plus shipping from Pgh, free delivery to BG Really good Iron Heads !
Stock guides ,Viton seals ,68 cc ( it might be a point higher due to the flat stainless steel valve) Returned message
