#Brodix bb5 heads pro
STS BB-1 427 - 502 12.0 Minimum Flat Tappet / Roller 3500 - 7000 Pro Street / Drag RaceīB-2 477 - 482 11.5 Minimum Flat Tappet / Roller 4000 - 7000 Pro Street / Drag RaceīB-2 PLUS 427 - 509 11.5 Minimum Flat Tappet / Roller 4000 - 7200 Pro Street / Drag RaceīP BB-2 PLUS 468 - 522 11.5 Minimum Flat Tappet / Roller 4000 - 7200 Pro Street / Drag Race INTAKE CHAMBER VALVE SIZES EXHAUST VALVE INTAKE Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY Cylinder Head Specification:.Angle Machining: NOT AVAILABLE ON CNC PORTED HEADS.Valve Angle: 26° AND 4° INTAKE, 17° AND 4° EXHAUST.Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.625.Spark Plug Starting Points: NGK R5671A-9 FOR ALCOHOL NGK R5671A-8 FOR RACING GAS.Exhaust Gaskets: FEL-PRO 1411, COMETIC C5429.Intake Gaskets: BRODIX MG 2001, COMETIC C5428, FEL-PRO 1252-3.Rocker Studs: 7/16 - BR 716L, AR RRS-4I.700 MAXIMUM LIFT (STANDARD PACKAGE) 1.625 ROLLER VALVE SPRING - MA 221424, 260 lb CLOSED, 790 lb OPEN, 2.100 INSTALLED HEIGHT. Valve Springs: 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT.PS MI: MATCH INTAKE PORT TO BRODIX MG 2001.600 higher than stock, and the valve cover rails are now raised to assure no oil leakage. The bottom line is that ourĬustomers can now buy the most accurate, best flowing out-of-the-box cylinder heads available at the best price.Īll of these cylinder heads accept standard pistons, intake manifolds, and rocker arms. Plus castings are CNC ported to a mirror finish and flow within 1% of each other. Was incorporated into a 100% CNC ported masterpiece that can be mass produced. The flow bench and at the track developing a completely ported cylinder head. While creating the BB-2 Plus CNC, the professionals at BRODIX invested many long hours on TheĬombustion chambers are 119 cc and are properly shaped for use with either methanol or gasoline, preventingĭetonation. Both heads may be purchased angle milled to 110 cc.
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The bowls blended and the intake ports matched. The BB-2 has aģ05 cc intake port and flows 320 cfm the BB-2 Plus has a 312 cc intake port and flows over 340 cfm with only The BB-2 and BB-2 Plus heads work well with a heavy car and smaller engine (427-509 cu in). The 305 cc intake port flows over 370 cfm and has maximum port velocity. The BB-1 also comesĬompletely CNC ported. Most marine applications use this head for torque and throttle response. The BB-1 is designed for a 396 to 502 engine with a flat tappet or
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Milled to 108 cc or angle machined to 98 cc. The BB-1 rectangular port head has a 280 cc intake port and a 119 cc combustion chamber, but may be angle