BRODIX BBC BB-1, 2, AND 2 PLUS SERIES CYLINDER HEADS/26 2018104-2018107

Regular price $ 2,265.16

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The BB-1 rectangular port head has a 280 cc intake port and a 119 cc combustion chamber, but may be angle
milled to 108 cc or angle machined to 98 cc. The BB-1 is designed for a 396 to 502 engine with a flat tappet or
hydraulic cam. Most marine applications use this head for torque and throttle response. The BB-1 also comes
completely CNC ported. The 305 cc intake port flows over 370 cfm and has maximum port velocity.
The BB-2 and BB-2 Plus heads work well with a heavy car and smaller engine (427-509 cu in). The BB-2 has a
305 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 bowls blended and the intake ports matched. Both heads may be purchased angle milled to 110 cc. The
combustion chambers are 119 cc and are properly shaped for use with either methanol or gasoline, preventing
detonation. While creating the BB-2 Plus CNC, the professionals at BRODIX invested many long hours on
the flow bench and at the track developing a completely ported cylinder head. The BRODIX porting design
was incorporated into a 100% CNC ported masterpiece that can be mass produced. The CNC ported BB-2
Plus castings are CNC ported to a mirror finish and flow within 1% of each other. The bottom line is that our
customers can now buy the most accurate, best flowing out-of-the-box cylinder heads available at the best price.
All of these cylinder heads accept standard pistons, intake manifolds, and rocker arms. The exhaust ports are
raised .600 higher than stock, and the 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• PS Valve Job: COMPETITION VALVE JOB• Intake Valves: 2.250 X 5.218 o.a.l. - BR 81040 (STANDARD PACKAGE) 2.250 X 5.318 o.a.l. - BR 81140 (SPRING UPGRADE)• Exhaust Valves: 1.880 X 5.394 o.a.l. - BR 81038 (STANDARD PACKAGE) 1.880 X 5.494 o.al. - 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• Valve Seals: 11/32 - USVS529V

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• 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 135-3606, 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• Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY

 

Cylinder Head Specification:

                                  INTAKE      CHAMBER     VALVE SIZES           EXHAUST            VALVE                        INTAKE 

                                    PORT          VOLUME           INT./EXH.               PATTERN      CENTERLINE              MANIFOLD

BB-1                           280 cc            119 cc            2.250/1.880             Standard            Standard            HV 2016 / HV 2000
STS BB-1                  305 cc            119 cc            2.250/1.880             Standard            Standard            HV 2000 / HV 2001
BB-2                           305 cc            119 cc            2.250/1.880             Standard            Standard            HV 2000 / HV 2001
BB-2 PLUS               312 cc            119 cc            2.250/1.880             Standard            Standard            HV 2000 / HV 2001
STS BB-2 PLUS      320 cc            119 cc            2.250/1.880             Standard            Standard            HV 2000 / HV 2001

               CUBIC INCH  COMPRESSION      CAMSHAFT                RPM              APPLICATION

BB-1                      396 - 502              10.5 Minimum   Hydraulic Roller / Flat Tappet  2000 - 6500         Pro Street / Drag Race
STS BB-1              427 - 502              12.0 Minimum         Flat Tappet / Roller             3500 - 7000         Pro Street / Drag Race
BB-2                      477 - 482              11.5 Minimum         Flat Tappet / Roller             4000 - 7000         Pro Street / Drag Race
BB-2 PLUS           427 - 509              11.5 Minimum         Flat Tappet / Roller             4000 - 7200         Pro Street / Drag Race
STS BB-2 PLUS   468 - 522              11.5 Minimum         Flat Tappet / Roller             4000 - 7200         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-1                          2.250 INTAKE                 150                209              259              290                300              303
                                   1.880 EXHAUST              106               137              166               190                211             225
STS BB-1                  2.250 INTAKE                 168                252              314               348               368              375               379
(CNC Ported)            1.880 EXHAUST             130                166              200               235                264              283              295
BB-2                          2.250 INTAKE                 157                212              263               294                312              320
                                   1.880 EXHAUST             107                137              166               190                214              226
BB-2 PLUS               2.250 INTAKE                 150                215              265               311                334              344
                                   1.880 EXHAUST             122                148              187               216                229              238
STS BB-2 PLUS       2.250 INTAKE                 162                244              285               328                359              369              373
(CNC Ported)            1.880 EXHAUST             132                169              204               234                261              274              284

• STS BB-1 Pkg 119 TI Chamber (1.645 spring diam.) 2018104 MAKE OFFER PER 1
• STS BB-1 Pkg 115 TI Chamber (1.645 spring diam.) 2018107 MAKE OFFER PER 1

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  • We handle the complete BRODIX line.

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER


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