Finally, the most user-friendly big block head on the market has been developed. BRODIX is
now manufacturing a cylinder head that bolts directly in place of stock cast iron heads allowing
reuse of the intake manifold and pistons. The most important improvement is that the exhaust
ports are in the stock location eliminating header or manifold interference. The Race-Rite®
rectangular or oval port is the answer for less hassle during installation.

Package Heads:

• PS CB: VALVE BOWLS BLENDED• PS MI: MATCH INTAKE PORT TO FP 1211 (RR BB-R) MATCH INTAKE PORT TO FP 1210 (RR BB-O) MATCH INTAKE PORT TO BRODIX MG 2001 (RR BB-2 PLUS)• PS Valve Job: COMPETITION VALVE JOB• Intake Valves: 2.250 X 5.218 o.a.l - BR 81040 2.190 X 5.230 o.a.l. - BR 70019• Exhaust Valves: 1.880 X 5.394 o.a.l. - BR 81038• Valve Springs: 1.550 HYDRAULIC ROLLER VALVE SPRING - BT 120121, 140 lb CLOSED, 400 lb OPEN, 1.950 INSTALLED HEIGHT, .600 MAXIMUM LIFT 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT, .700 MAXIMUM LIFT 1.625 ROLLER VALVE SPRING - MA 221424, 260 lb CLOSED, 790 lb OPEN, 2.100 INSTALLED HEIGHT, .800 MAXIMUM LIFT (SPRING UPGRADE)• Retainers: 1.550 10° STEEL - CC 752 1.625 10° TITANIUM - MA 23640• Valve Locks: 10° JUMBO - CC 611• Rocker Studs: 7/16 - BR 716L, AR RRS-4I• Guide Plates: 3/8 - CC 4806• Valve Seals: 11/32 - US VS529V

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb• Torque Rocker Studs: 40-45 ft-lb• Intake Gaskets: FEL-PRO 1211 (RR BB-R) FEL-PRO 1210, COMETIC C5430 (RR BB-O) BRODIX MG 2001, COMETIC C5428, FEL-PRO 1252-3 (RR BB-2 PLUS)• Head Gaskets: 4.310 - FEL-PRO 1027, COMETIC C5432 4.540 - FEL-PRO 1017, COMETIC C5433• Exhaust Gaskets: FEL-PRO 1411, COMETIC C5429• Head Bolts: ARP 135-3601• Head Studs: ARP 135-4001 (6 pt)• Accessory Bolt Holes Are Drilled• Spark Plug Starting Points: CHAMPION RN12YC FOR PUMP GAS NGK R5671A-8 FOR RACING GAS• Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.625• Valve Angle: 26° and 4° INTAKE, 17° AND 4° EXHAUST• Angle Milling: .0066 in PER cc• Flat Milling: .0050 in PER cc• Angle Machining: AVAILABLE UPON REQUEST• Dowel Shift: NOT AVAILABLE• Pushrod Slots: STANDARD• Stud Girdle: STANDARD, BRODIX 1230• Rocker Arms: STANDARD• Lifters: STANDARD• Pistons: STANDARD• Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY

                          INTAKE CHAMBER VALVE SIZES EXHAUST         VALVE                                      INTAKE 

                             PORT   VOLUME      INT./EXH.       PATTERN   CENTERLINE                            MANIFOLD

RR BB-R            294cc      119cc       2.250/1.880       Standard        Standard                HV 2000 / HV 2001 / HV 2016
RR BB-O            270cc      119cc       2.250/1.880       Standard        Standard        Edelbrock #7561 / HV 2007 / HV 2008
RR BB-2 PLUS 312 cc     119cc       2.250/1.880       Standard        Standard                HV 2000 / HV 2001 / HV 2016

Cylinder Head recommendations:

              CUBIC INCH COMPRESSION          CAMSHAFT                     RPM               APPLICATION

RR BB-R             396 - 502         9.1 Minimum           Hydraulic / Hydraulic Roller          2000 - 6500           Pro Street / Drag Race
RR BB-O             396 - 502         9.1 Minimum           Hydraulic / Hydraulic Roller          2000 - 6500           Pro Street / Drag Race
RR BB-2 PLUS   482 - 540         9.1 Minimum           Hydraulic / Hydraulic Roller          2000 - 6500           Pro Street / Drag Race

Flow Chart CFM @ 28" H20

                              VALVE SIZE   0.200        0.300         0.400        0.500          0.600        0.650         0.700  

RR BB-R                 2.250 INTAKE          160                 226                276                314                 337                341                342
                                  1.880 EXHAUST      116                 145                172                196                 217                230                 236
RR BB-R                 2.250 INTAKE          161                 228                281                321                 339                343                346
(CNC Combustion   1.880 EXHAUST       112                 146                178                203                 222                230                235
Chambers)
RR BB-O                 2.250 INTAKE          159                 223                270                314                 334                336                340
                                  1.880 EXHAUST       116                145                 172                196                 217                230                236
RR BB-O                 2.250 INTAKE          160                 224                280                321                 340                342                344
(CNC Combustion   1.880 EXHAUST       113                 147                179                203                 222                231                236
Chambers)
RR BB-2 PLUS       2.250 INTAKE          150                 215                265                 311                 334                340                344
                                 1.880 EXHAUST       116                 145                172                 196                 217                230                236

BASIC EASY ORDER NUMBER:

1.550 spring diam. TI

• RR BB-O Pkg 110 Chamber 2061008 MAKE OFFER PER 1
• RR BB-R Pkg 110 Chamber 2061017 MAKE OFFER PER 1
• RR BB-2 PLUS Pkg 110 Chamber 2061026 MAKE OFFER PER 1

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