Headers
Hi Chris, I just sent back a set of hedmans and got a set of dougs. for my 69 firebird. What a differance on the pass side. the hedmans make you change to a small oil filter were the dougs and a butler oil filter adaptor fit a pf 24 oil filter fine with no problems. Also dougs recomend using ultra copper silicon on the sirface and include a lock style washer. Dougs are a much beter header and butler has every thing you need
Dan Steward
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