The new BRODIX® BB-3 XTRA 327™ has taken the conventional big block to the next level. These cylinder heads feature a valve angle that is rolled two degrees for increased flow and performance. These heads have 327-cc rectangular intake ports that flow over 400 cfm. They come standard with CNC ported chambers and a 2.300/1.880 valve size. For more info, contact Brodix, 479.394.1075, www.brodix.com.