SAR/BRODIX BB-5 390CC SPORTSMAN HEADS

At SAR all head porting is done in house. We use a state of the art 5 axis CNC vertical machining center, which can produce precision work to programmed "blue print" specs. The BB-5 heads are the largest intake port volume BBC head casting, with raised port aluminum cylinder heads are recommended for 540 cu. in. and larger engines, with capabilities of substaining 600 + cu. in. Other features include, replaceable step bronze guides valve sizes 2.350" x 1.900". Custom Sonny's heart shape chamber design is also incorporated in this cylinder head.