BRODIX BB2-X,BB2XTRA,&BB3 SERIES 26 DEGREE CYLINDER HEADS 2021026-2021042

Regular price $ 1,392.83

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The BB-2 X head works well with a light car or large engine (509-555 cu in). It has a 340 cc intake

port and flows over 360 cfm with only the bowls blended and the intake ports matched to the

gasket. The BB-2 X may be purchased angle milled to 110 cc or angle machined to 98 cc. The

BB-2 XTRA head works well on a 540 cu in or larger engine. It has a 365 cc intake port and flows

over 375 cfm with only the bowls blended and the intake ports matched to the gasket. The

BB-3 works well on a 540-605 cu in engine. It has a 370 cc intake port and flows over 370

cfm, but may not be angle machined. While creating the BB-2 XTRA CNC, the professionals at

BRODIX invested many long hours on the flow bench and at the track developing a completely

ported cylinder head. BRODIX incorporated this porting design into a 100% CNC ported

masterpiece that can be mass produced. One of the most accurate, best flowing out-of-the-box

cylinder heads is now available. Each of the castings flows within 1% of each other and is CNC

ported to a mirror finish. The bottom line is that our customers can now buy the best casting

with the best CNC porting at the best price. These cylinder heads accept all standard pistons,

intake manifolds, and rocker arms. The exhaust ports are raised .600 higher than stock. Valve

cover rails are now raised to assure no oil leakage.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO BRODIX MG 2001 (BB-2 X, BB-2 XTRA, AND BB-3) MATCH INTAKE PORT TO CO C5436 (BP BB-2 XTRA) • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.300 X 5.468 o.a.l. - BR 81241 (STANDARD PACKAGE) 2.300 X 5.568 o.a.l. - BR 81341 (SPRING UPGRADE) • Exhaust Valves: 1.880 X 5.394 o.a.l. - BR 81038 (STANDARD PACKAGE) 1.880 X 5.494 o.a.l. - BR 81138 (SPRING UPGRADE) • Valve Springs: 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT, .700 MAXIMUM LIFT (STANDARD PACKAGE) 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 (BB-2 X, BB-2 XTRA, AND BP BB-2 XTRA) 3/8 - BR BB GP-3 (BB-3) - AVAILABLE EXCLUSIVELY FROM BRODIX • Valve Seals: 11/32 - US VS529V

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: BRODIX MG 2001, COMETIC C5428, FEL-PRO 1252-3 (BB-2 X, BB-2 XTRA, AND BB-3) • Head Gaskets: 4.310 - FEL-PRO 1027, COMETIC C5432 4.540 - FEL-PRO 1017, COMETIC C5433 4.600 - FEL-PRO 1057, COMETIC C5434 • Exhaust Gaskets: FEL-PRO 1411, COMETIC C5429 • Head Bolts: ARP 135-3606, MANLEY 42192 • Head Studs: ARP 235-4702 (12 pt) • Accessory Bolt Holes Are Drilled • Spark Plug Starting Points: NGK R5671A-9 FOR ALCOHOL 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: NOT AVAILABLE ON CNC PORTED HEADS • Dowel Shift: NOT AVAILABLE • Pushrod Slots: STANDARD • Stud Girdle: STANDARD, BRODIX 1230 • Rocker Arms: STANDARD • Lifters: STANDARD • Pistons: STANDARD (BB-2 X, BB-2 XTRA, AND BP BB-2 XTRA) CHECK PISTON VALVE NOTCHES (BB-3) • Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY

Cylinder Head Specifications:    

                                 INTAKE  CHAMBER  VALVE SIZES        EXHAUST                       VALVE                                        INTAKE

                                   PORT     VOLUME INTAKE/EXHAUST   PATTERN                    CENTERLINE                               MANIFOLD

BB-2 X                340 cc    119 cc    2.300/1.880      Standard                  Standard                  HV 2000 / HV 2001

BB-2 XTRA         365 cc    119 cc    2.300/1.880      Standard                  Standard                  HV 2000 / HV 2001

BP BB-2 XTRA   355 cc    119 cc    2.300/1.880      Standard                   Standard                  HV 2000 / HV 2001

BB-3                   370 cc    119 cc     2.300/1.880      Standard     Exhaust Valve Moved .030     HV 2000 / HV 2001

Cylinder Head Recommendations:

                                 CUBIC INCH       COMPRESSION          CAMSHAFT          RPM              APPLICATION

BB-2 X                 509 - 555                  13.1 Minimum                 Roller                    4000 - 7500                    Pro Street / Drag Race

BB-2 XTRA         540 - 582                  13.1 Minimum                 Roller                    4000 - 7500                    Pro Street / Drag Race

BP BB-2 XTRA   540 - 582                  13.1 Minimum                  Roller                   4000 - 7500                    Pro Street / Drag Race

BB-3                     555 - 632                  14.0 Minimum                  Roller                    4500 - 7500                    Pro Street / Drag Race

Flow Chart CFM @ 28" H20

                                         VALVE SIZE        0.200               0.300            0.400            0.500            0.600             0.700              0.800

BB-2 X                          2.300 INTAKE           153                   221                276               322                357                 363

                                      1.880 EXHAUST       122                  138               171               198               216                 229

BB-2 X (CNC                 2.300 INTAKE            153                   225                285                333                368                 365                 365

Combustion Chambers) 1.880 EXHAUST         132                   176                211                235                254                 264                 270

BB-2 XTRA                   2.300 INTAKE            160                    220                277                325               360                  379

                                     1.880 EXHAUST        132                  159                193               219               234                 250

BP BB-2 XTRA              2.300 INTAKE            183                   235                 294                340               376                  395                408

(CNC Ported)                1.880 EXHAUST          134                   177                 216               247                268                 280                 288

BB-3                             2.300 INTAKE          145                  206                265              316                351                371

                                    1.880 EXHAUST      93                  129               161              187               213                229

BASIC EASY ORDER NUMBER:

BB-2 X Pkg (1.625 Spring) 340 port vol. 119 Chamber 2021038 MAKE OFFER PER 1

• BB-2 X Pkg (1.625 Spring) 340 port vol. 115 Chamber 2021042 MAKE OFFER PER 1

• BB-2 XTRA Pkg (1.625 Spring) 365 port vol. 119 Chamber 2021026 MAKE OFFER PER 1

• BB-2 XTRA Pkg (1.625 Spring) 365 port vol. 115 Chamber 2021030 MAKE OFFER PER 1

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
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