Brodix built the bb-3 Xtra series to take the conventional Big block to the next level. These cylinder heads feature a valve angle that is rolled two-degrees. The bb-3 Xtra series is available in a rectangular-shaped or oval-shaped intake port configuration, and both are offered in an out-of-the box version or completely CNC ported. The Out-of-the-Box versions features a CNC'd intake port match and bowls are blended while the intake ports, exhaust ports and combustion chambers remain as casted.
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