BRODIX BARE BIG BLOCK CHEVY PB 1203 CYLINDER HEADS/12 2120000

Regular price $ 2,091.83

CALL SHANON AT 507 445 3235 FOR ANY QUESTIONS.

The Man Eater PB 1200 series takes the big block world to the next plateau! This head comes equipped with several features that include: 12° valve angle; raised, oval-shaped intake ports.

Designed to achieve a delicate balance between horsepower and torque; and precision contoured shallow chambers with outstanding wet flow characteristics. The New PB 1203 is the latest in as-cast technology. It is the most powerful out-of-the-box head in its class. The PB 1202 takes the Man Eater PB 1200 series a step further. This head features 497 cc oval-shaped intake ports that are raised an additional .125 and utilizes a 2.520 intake valve. The Man Eater PB 1200 series is available 100% CNC ported to ensure accuracy. The standard features are A-356 virgin aluminum alloy, phosphorous bronze valve guides, and copper valve seats. These heads are machined to accept 1.740 valve spring cups and can be used in conjunction with the BRODIX PM series of manifolds.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO BRODIX MG 2015 (BP PB 1200, BP PB 1201, PB 1203) MATCH INTAKE PORT TO BRODIX MG 1202 (BP PB 1202) • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.520 X 6.920 o.a.l. - 55° SEAT ANGLE (BP PB 1200, PB 1203) 2.450 X 6.920 o.a.l. - 55° SEAT ANGLE (BP PB 1201) 2.480 X 6.920 o.a.l. - 55° SEAT ANGLE (BP PB 1202) • Exhaust Valves: 1.860 X 6.620 o.a.l. - 55° SEAT ANGLE • Valve Springs: 1.645 ROLLER VALVE SPRING - CC 948, 315 lb CLOSED, 915 lb OPEN, 2.100 INSTALLED HEIGHT, .850 MAXIMUM LIFT • Retainers: 1.645 10° TITANIUM - MA 2001 • Valve Locks: 10° JUMBO - CC 611 • Rocker Studs: SHAFT SYSTEM REQUIRED • Valve Seals: 11/32 - US VS485V

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: BRODIX MG 2015 (BP PB 1200, BP PB 1201, PB 1203) BRODIX MG 1202 (BP PB 1202) • Head Gaskets: 4.540 - FEL-PRO 1017, COMETIC C5433 4.600 - FEL-PRO 1057, COMETIC C5434 • Exhaust Gaskets: BRODIX MG 2005 • Valve Cover Gaskets: BRODIX MG 2016 • Head Studs: AVAILABLE EXCLUSIVELY FROM BRODIX - BRODIX BR HS/PB 2005 CI BLK (12 pt) FOR CAST IRON BLOCK BRODIX SK HS PB 2005 (12 pt) FOR ALUMINUM BLOCK • Accessory Bolt Holes Are Drilled • Spark Plug Starting Points: NGK R5671A-10 FOR ALCOHOL NGK R5671A-9 FOR RACING GAS • Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.750 • Valve Angle: 12° AND 4° INTAKE, 6° AND 4° EXHAUST • Angle Milling: NOT AVAILABLE • Flat Milling: .0055 in PER cc • Angle Machining: NOT AVAILABLE • Dowel Shift: NOT AVAILABLE • Pushrod Slots: STANDARD • Rocker Arms: SHAFT SYSTEM - T&D 3070, JESEL KPS 390156 • Lifters: STANDARD • Pistons: 12° X 6° VALVE ANGLE • Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY

Cylinder Head Specifications:

BP PB 1200      483 cc           72 cc / 68 cc *            2.520/1.860             Standard             PM 1807 / PM 1817 / PM 1907 / PM 1917

BP PB 1201      480 cc           72 cc / 68 cc *             2.450/1.860            Standard             PM 1807 / PM 1817 / PM 1907 / PM 1917

BP PB 1202      497 cc           72 cc / 68 cc *             2.480/1.860             Standard             PM 1807 / PM 1817/ PM 1907 / PM 1917

PB 1203            475 cc            72 cc / 68 cc *             2.520/1.860             Standard            PM 1807 / PM 1817/ PM 1907 / PM 1917

                   INTAKE PORT        CHAMBER VOLUME     VALVE SIZES INTAKE/EXHAUST       EXHAUST PATTERN               INTAKE MANIFOLD

                                       CUBIC INCH      COMPRESSION      CAMSHAFT            RPM                APPLICATION

BP PB 1200                 598 - 706                 14.0 Minimum                   Roller                  4500 - 8000                Drag / Truck Puller

BP PB 1201                 565 - 632                 14.0 Minimum                    Roller                  4500 - 8000               Drag / Truck Puller

BP PB 1202                 598 - 706                 14.0 Minimum                    Roller                  4500 - 8000               Drag / Truck Puller

PB 1203                       598 - 706                 14.0 Minimum                    Roller                   4500 - 8000              Drag / Truck Puller

Flow Chart CFM @ 28" H20

                              VALVE SIZE                 0.200          0.300          0.400           0.500           0.600          0.700         0.800           0.900

BP PB 1200           2.520 INTAKE           151              235              323              395              459             513            549             563

(CNC Ported)        1.860 EXHAUST        126              180              224              264              305             319            333             338

BP PB 1201           2.450 INTAKE           151              243              330              400               454             495            521            533

(CNC Ported)        1.860 EXHAUST        122              176              231              276               300             303            339             340

BP PB 1202           2.480 INTAKE           154               247             332              401               468             509            535             553

                               1.860 EXHAUST        122              174              229              274               303             328            338             339

PB 1203                 2.520 INTAKE           150              230              309              377               442              495            530            536

                               1.860 EXHAUST          119              169               217              251               280             306            316            323

BASIC EASY ORDER NUMBER:

• PB 1203 Bare 475 cc Intake Runner 2120000 MAKE OFFER PER 1

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