BRODIX BP PB 1803 SERIES BB CHEVY COMPLETE CYLINDER HEADS/18 2188105

Regular price $ 4,325.35

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The 18° Pro Stock style cylinder heads from BRODIX are the Big Dukes. The PB 1800 and PB

1801 were the original designs in this legendary series. The PB 1802 is a cast ported version

of the PB 1800 capable of flowing over 480 cfm. The professionals at BRODIX have contoured

each intake port, exhaust port, and combustion chamber to flow its maximum potential out of

the box. The revolutionary PB 1803 cylinder heads from BRODIX feature oval intake ports, CNC

combustion chambers, and use all standard components for the 18° Pro Stock head excluding

the manifold. For the KC PB 1803, BRODIX contacted the best head porters in the business to

incorporate our porting design into a 100% CNC ported masterpiece. The PB 1803 utilizes an

as-cast intake port that delivers outstanding out-of-the-box performance. Copper valve seats

and a 55° seat angle make either head an excellent choice when looking for serious torque and

horsepower. All Big Duke series heads require special pistons, valve covers, head studs, shaft

rockers, and intake manifold.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO FP 1298 (PB 1800-1802) MATCH INTAKE PORT TO BRODIX MG 2013 (PB 1803) • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.400 X 6.600 o.a.l. - BR 81660, 45° SEAT ANGLE (PB 1800-1802) 2.450 X 6.650 o.a.l. - BR 81665, 55° SEAT ANGLE (PB 1803) • Exhaust Valves: 1.900 X 6.450 o.a.l. - BR 81645, 45° SEAT ANGLE (PB 1800-1802) 1.860 X 6.550 o.a.l. - BR 81685, 55° SEAT ANGLE (PB 1803) • Valve Springs: 1.625 ROLLER VALVE SPRING - MA 221424, 260 lb CLOSED, 790 lb OPEN, 2.100 INSTALLED HEIGHT, .800 MAXIMUM LIFT 1.645 ROLLER VALVE SPRING - CC 948, 315 lb CLOSED, 915 lb OPEN, 2.100 INSTALLED HEIGHT, .850 MAXIMUM LIFT • Retainers: 1.625 10° TITANIUM - MA 23640 1.645 10° TITANIUM - MA 2001 • Valve Locks: 10° JUMBO - CC 611 • Rocker Studs: SHAFT SYSTEM REQUIRED • Valve Seals: 11/32 - US VS529V (1.625 VALVE SPRING) 11/32 - US VS485V (1.645 VALVE SPRING)

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: FEL-PRO 1298, COMETIC C5419 (PB 1800-1802) BRODIX MG 2013 (PB 1803, BP PB 1803) • Head Gaskets: 4.540 - FEL-PRO 1017, COMETIC C5433 4.600 - FEL-PRO 1057, COMETIC C5434 • Exhaust Gaskets: FEL-PRO 1412, COMETIC C5418 • Head Studs: ARP 235-4712 (12 pt) • 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: 18° AND 4° INTAKE, 9° 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 3036, JESEL KPS 22797 • Lifters: STANDARD • Pistons: STANDARD 18° X 9° VALVE ANGLE • Pushrods: CHECK PUSHROD CLEARANCE WITH HEAD INSTALLED ON THE ENGINE BLOCK BEFORE FINAL ASSEMBLY • 4.375 MINIMUM BORE

Cylinder Head Specifications:

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

PB 1801         375 cc         89 cc                      2.400/1.900                  Standard          PM 1800 / PM 1810 / PM 1903**/ PM 1913**

PB 1800         415 cc         89 cc                      2.400/1.900                  Standard          PM 1800 / PM 1810 / PM 1903** / PM 1913**

PB 1802         456 cc         91 cc                      2.400/1.900                  Standard          PM 1800 / PM 1810 / PM 1903** / PM 1913**

PB 1803         413 cc         95 cc                      2.450/1.860                  Standard          PM 1803 / PM 1813 / PM 1903 / PM 1913

BP PB 1803   410 cc         95 cc / 91 cc *        2.450TI/1.860TI          Standard          PM 1803 / PM 1813 / PM 1903 / PM 1913

*Chamber Volume With Stealth Titanium Valves

** Oval Port Manifold MUST Be Port Matched to Fit Rectangular Port Heads

Cylinder Head Recommendations:

                       CUBIC INCH  COMPRESSION   CAMSHAFT        RPM                              APPLICATION

PB 1801         522 - 555              13.5 Minimum                Roller             4500 - 7500                Pro Street / Drag Race / Truck Puller

PB 1800         540 - 632              13.5 Minimum                Roller             4500 - 7500                Pro Street / Drag Race / Truck Puller

PB 1802         555 - 632              13.5 Minimum                Roller             4500 - 7500                Pro Street / Drag Race / Truck Puller

PB 1803         522 - 632              13.5 Minimum                Roller             4500 - 7500                Pro Street / Drag Race / Truck Puller

BP PB 1803   522 - 632              13.5 Minimum                Roller             4500 - 7500                Pro Street / Drag Race / 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

PB 1801 (Hand Ported)  2.400 INTAKE     162            245             312            367             411             442             463

4.500 BORE                   1.900 EXHAUST  129            180             222            269             301             308             315

PB 1800                          2.400 INTAKE     117             184            256            328              391             435             453

4.600 BORE                   1.900 EXHAUST  113            166             211            239             252              259             264

PB 1802                          2.400 INTAKE     135             205             280           351             409              449             480

4.600 BORE                   1.900 EXHAUST 100             151             193            234             265              296             306

PB 1802 (CNC                2.400 INTAKE    156             230             305            361             414              453             476

Combustion Chambers) 1.900 EXHAUST 135             180              219            252            294              306             313

PB 1803 (CNC                2.450 INTAKE   137              217             296             362            418              464             484             490

Combustion Chambers) 1.860 EXHAUST 110             162              204            238             265              288             320             328

BP PB 1803                    2.450 INTAKE    145             224              300            369             425              475             500             515

(CNC Ported)                 1.860 EXHAUST 126             172              211            245             270              318             338             351

BASIC EASY ORDER NUMBER:

• BP PB 1803 Pkg 410 cc Intake Runner TI valves 1.645 spring diam. 2188105 MAKE OFFER PER 1

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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