BRODIX PB 1802 Cylinder Heads/18 2181003

Regular price $ 2,140.49

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 INT./EXH. 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 *          2.450/1.860              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:

• PB 1802 Pkg 456 cc Intake Runner 1.645 spring diam. 2181003 MAKE OFFER PER 1

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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