Originally Posted by
crazycage
no mate but one set of valve cut outs are a lot bigger than the other ,i ran mine with the larger ones on the inlet side as the st170 inlet valves are bigger than the exhaust onesand thats the head i was using. wouldnt of thought it made any differance what way round the rods go as long as you put all four in the same
i think your right and it doesnt matter but just making sure from people who have used them! there are markings on them but doesn't state anything and the instructions dont either