1966 Pontiac 421 engine with 1965 Tri-Power induction. This engine has been professional built by SoCal Race engine builder Andy Mitchell to highest "street and strip" standards. It has been bored .040 and features all state of the art internal components including COMP Roller cam assembly and COMP roller tipped rockers. The 092 Heads have been Ported for better flow. 093 Heads are available. 403 Dyno H.P. Pick-up only in San Diego, CA. $10,500 or $8500 without 1965 Tri-Power. Many photos available. Bill Giolma wmg737@gmail.com phone 760-737-8627