You mean BOSS the brand name, or for a BOSS Mustang? What exactly is the engine, year, compression ratio desired, overbore, etc? We don't have much to go off of here, honestly.
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Capri306, Moderator
The Mustang Works Online
1979 Mercury Capri
1987 5.0L Mustang LX Notchback
1993 5.8L Eddie Bauer Bronco
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