BRODIX BARE BIG BLOCK CHEVY PB 1203 CYLINDER HEADS/12 2120000 580 EXHAUST 100 151 216

580 EXHAUST      100         151         216         243         250         253

Several advantages of the 18X are intake ports that flow over 320 cfm out of the box

Standard Stroke = 3

150     261

KC 12 SP B                    2

BRODIX BARE BIG BLOCK CHEVY PB 1203 CYLINDER HEADS/12 2120000 580 EXHAUST 100 151 216CALL SHANON AT 507 445 3235 FOR ANY QUESTIONS. The Man Eater PB 1200 series takes the big block world to the next plateau! This head comes equipped with several features that include: 12 valve angle; raised, oval shaped intake ports. Designed to achieve a delicate balance between horsepower and torque; and precision contoured shallow chambers with outstanding wet flow characteristics. The New PB 1203 is the latest in as cast technology. It is the most