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33" pulley 10-rib (CW rotation
They sleeve the head bolt columns between the intake ports to maximize the cross-sectional area at a critical point in the flow path
800 MAXIMUM LIFT 1
880 EXHAUST 122 138 171 198 216 229
200 INTAKE 150 223 286 336 368 383
BRODIX BB-2 X and BB-2 XTRA Cylinder Heads 2021027-2021043 33" pulley 10-rib (CW rotationCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. The BB 2 X head works well with a light car or large engine (509 555 cu in). It has a 340 cc intake port and flows over 360 cfm with only the bowls blended and the intake ports matched to the gasket. The BB 2 X may be purchased angle milled to 110 cc or angle machined to 98 cc. The BB 2 XTRA head works well on a 540 cu in or larger engine. It has a 365 cc intake port and flows over 375 cfm with only the
