PB 1200™ Series/12°


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 BP PB 1204 features raised 510 cc intake ports that flow over 570 cfm and exhaust ports that flow over 350 cfm! The 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

Facts and Related Components

• 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)

Match Intake Port to BRODIX MG 2040
(BP PB 1204)

• PS Valve Job:
Competition Valve Job

• Intake Valves:
2.520 x 6.920 o.a.l. – 55° Seat Angle
(BP PB 1200, BP PB1202, PB 1203, BP PB 1204)
2.450 x 6.920 o.a.l. – 55° Seat Angle
(BP PB 1201)

• 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

• 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)

BRODIX MG 2040
(BP PB 1204)

• 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 BR 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.

• Intake Manifold:
PM 1807 / PM 1817 / PM 1907 / PM 1917

Flow Chart cfm @ 28″ H20

Part Number Valve Size 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0.900
BP PB 1200
(CNC Ported)
2.520 Intake 55° 153 234 319 389 457 507 545 564
1.860 Exhaust 55° 119 174 222 261 308 333 344 349
BP PB 1201
(CNC Ported)
2.450 Intake 55° 151 243 330 400 454 495 521 533
1.860 Exhaust 55° 119 174 222 261 308 333 344 349
BP PB 1202
(CNC Ported)
2.520 Intake 55° 151 230 318 392 460 512 551 569
1.860 Exhaust 55° 119 174 222 261 308 333 344 349
PB 1203 2.520 Intake 55° 150 230 309 377 442 495 530 536
1.860 Exhaust 55° 119 169 217 251 280 306 316 323
BP PB 1204
(CNC Ported)
2.520 Intake 55° 150 230 318 390 454 501 540 571
1.860 Exhaust 55° 122 176 222 263 316 338 351 358

Basic Easy Order Numbers

Part# Easy
Order #
Port
Vol.
Cham.
Vol.
Int/Ext
Valve
Spring Seat
Pressure
Spring
Diam.
Ret.
ST/TI
Per
BP PB 1200 Bare
2128000 483 72         1
BP PB 1200 Pkg
2128100 483 72 2.520 / 1.860 350 1.645 TI 1
BP PB 1200 Pkg
2128101 483 68 2.520TI / 1.860TI 350 1.645 TI 1
BP PB 1200 SPECIAL
2129000 CUSTOM ORDER           1
BP PB 1201 Bare
2128001 480 72         1
BP PB 1201 Pkg
2128105 480 70 2.520 / 1.860 350 1.645 TI 1
BP PB 1201 Pkg
2128102 480 68 2.450TI / 1.860TI 350 1.645 TI 1
BP PB 1202 Bare 2128002 497 72         1
BP PB 1202 Pkg
2128103 497 72 2.520 / 1.860 350 1.645 TI 1
BP PB 1202 Pkg
2128104 497 68 2.480TI / 1.860TI 350 1.645 TI 1
PB 1203 Bare
2120000 475 72         1
PB 1203 Pkg
2121000 475 72 2.520 / 1.860 350 1.645 TI 1
PB 1203 Pkg
2121001 475 68 2.520TI / 1.860TI 350 1.645 TI 1
BP PB 1204 Bare
2128003 510 71         1
BP PB 1204 Pkg
2128106 510 71 2.520TI / 1.860TI 350 1.645 TI 1