The BRODIX BD series is the latest in cylinder head technology. This symmetrical
por t design vir tually eliminates head gasket problems that have plagued the small
block Chevy for decades. The BD heads are available CNC ported in several port
volumes. Special components needed for proper installation include: injector or
intake manifold, headers, shaft rocker system, sheet metal valve covers, head stud
kit, and camshaft core.

Package Heads:

• PS CB: VALVE BOWLS BLENDED• PS MI: MATCH INTAKE PORT TO COMETIC C5421• PS Valve Job: COMPETITION VALVE JOB• Intake Valves: 2.200 X 6.090 o.a.l. - BX 2200-609T (BD 2000) 2.200 X 6.250 o.a.l. - BX 2200-625T (BD 1010) 2.230 X 6.250 o.a.l. - BX 2230-625T (BD 2300)• Exhaust Valves: 1.580 X 6.090 o.a.l. - BR 91580 (BD 2000) 1.580 X 6.250 o.a.l. - BX 1580-625T 25 (BD 1010) 1.600 X 6.250 o.a.l. (BD 2300)• Valve Springs: 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT, .700 MAXIMUM LIFT• Retainers: 1.550 10° TITANIUM - MA 2398BR• Valve Locks: 10° JUMBO - CC 611• Rocker Studs: SHAFT SYSTEM REQUIRED• Valve Seals: 11/32 - US VS529V

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb• Torque Rocker Studs: 40-45 ft-lb• Intake Gaskets: COMETIC C5421• Head Gaskets: 350 - COMETIC C5404 400 - COMETIC C5408• Exhaust Gaskets: COMETIC C5420• Head Studs: AVAILABLE EXCLUSIVELY FROM BRODIX - BRODIX BR HS/BD CI BLOCK (CAST IRON BLOCK) BRODIX SKHS BD (ALUMINUM BLOCK)• Accessory Bolt Holes Are Drilled• Spark Plug Starting Points: NGK R5671A-10 FOR ALCOHOL NGK R5671A-9 FOR RACING GAS• Spring Pockets: 1.550 OUT OF THE BOX, MAY BE CUT TO 1.625 - NO LARGER OR DEEPER• Valve Angle: 13.5° (BD 2000, BD 2300) 12° (BD 1010)• Angle Milling: .0065 in PER cc• Flat Milling: .0055 in PER cc• Angle Machining: NOT AVAILABLE• Pushrod Slots: LEFT BARE AND UNCUT• Stud Girdle: NOT AVAILABLE• Rocker Arms: SHAFT SYSTEM WITH 85/125 OR 58/125 SPACING, CHECK HEADS FOR INTAKE OFFSET - T&D 2223 (BD 2000), T&D 22201 (BD 1010), JESEL KPS 20693• Lifters: .180 OFFSET RIGHT (8) AND .180 OFFSET LEFT (8)• Pistons: BD 2000 - 13.5° WITH -12 SPARK PLUG ANGLE (#1 CYLINDER) BD 2300 - CUSTOM BD 1010 - SPECIAL 12° (#1 CYLINDER)• Pushrods: SPECIAL LENGTH• Intake Face Angle: BRODIX 5°• Valve Covers: SHEET METAL• Manifold: VALLEY TRAY REQUIRED - AVAILABLE EXCLUSIVELY FROM BRODIX.

Cylinder Head Specifications:

                             INTAKE     CHAMBER     VALVE SIZES               EXHAUST                VALVE                      INTAKE 

                              PORT         VOLUME            INT./EXH.                  PATTERN           CENTERLINE             MANIFOLD

WP BD 2000  285 cc         74 cc         2.200/1.580          Symmetrical           85/125         BM 100 / BM 102
WP BD 2300  311 cc         49 cc         2.230/1.600          Symmetrical           95/150         BM 100 / BM 102
WP BD 1010  299 cc         64 cc         2.200/1.580          Symmetrical           58/125         BM 100 / BM 102

              CUBIC INCH  COMPRESSION CAMSHAFT     RPM                         APPLICATION

WP BD 2000    380 - 440        13.5 Minimum       Roller       4500 - 8500     Oval Track / Drag Race / Pro Street
WP BD 2300    415 - 460        13.5 Minimum       Roller       4500 - 8500     Oval Track / Drag Race / Pro Street
WP BD 1010    415 - 460        13.5 Minimum       Roller       4500 - 8500     Oval Track / Drag Race / Pro Street

Flow Chart CFM @ 28" H20

                           VALVE SIZE      0.200       0.300       0.400      0.500       0.600       0.700       0.750    0.800

WP BD 2000    2.200 INTAKE      157          238          302          353          381          389         399
(CNC Ported)  1.580 EXHAUST  109          152          205          232          241           247         250
WP BD 2300    2.230 INTAKE     150           223          275          331          382          401         410         417
(CNC Ported)  1.600 EXHAUST  113          164          219          246          256          262         265         267
WP BD 1010    2.200 INTAKE     152           229          292          343          375          383         388
(CNC Ported)  1.580 EXHAUST  117          162          220          245          255          257         260

• WP BD 2000 Bare Symmetrical Exhaust 1208000 MAKE OFFER PER 1
• WP BD 1010 Bare Symmetrical Exhaust 1208001 MAKE OFFER PER 1

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