PB 5000 Series/15°



The introduction of the PB 5000 series heads blows the 5.0 bore spacing market wide open. These all new masterpieces are by far the most user-friendly heads in their class. These heads offer several features that include: 15º valve angle, raised oval-shaped intake ports, and specially designed combustion chambers that are nitrous-friendly. The standard features are copper valve seats, phosphorous bronze valve guides, and A-356 virgin aluminum alloy.

Package Heads

Facts and Related Components

• PS CB:
Valve Bowls Blended

• PS MI:
Match Intake Port to BRODIX MG 5010

• PS Valve Job:
Competition Valve Job

• Intake Valves:
2.520 x 6.900 o.a.l. – 55° Seat Angle

• Exhaust Valves:
1.860 x 6.820 o.a.l. – 55° Seat Angle

• Valve Springs:
1.650 Roller Valve Spring – MA 221448,
350 lb Closed, 890 lb Open,
2.150 Installed Height,
.900 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 5010, FEL-PRO 1223
(.030 – .120 Thick)

• Head Gaskets:
FEL-PRO 26465, FEL-PRO 26466,
or FEL-PRO 26467 (.041 or .053 Thick)

• Exhaust Gaskets:
BRODIX MG 5020, FEL-PRO 1428

• Valve Cover Gaskets:
BRODIX MG 5000, FEL-PRO 1696

• Head Studs:
Available Exclusively From BRODIX –
SK HS PB 5000

• Accessory Bolt Holes Are Not 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:
15° 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 3076, Jesel KPS 319132

• Lifters:
Standard

• Pistons:
Standard 15° x 6° Valve Angle

• Pushrods:
Check Pushrod Clearance with Head Installed on the
Engine Block Before Final Assembly.

• Bore Sizes:
4.750 Only (BP PB 5000)
4.675 – 4.750 (BP PB 5001, PB 5002)

• Intake Manifold:
Custom Sheet Metal / PM 1950*
*Must Be Used With Intake Manifold Adapter Kit

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 5000
(CNC Ported)
2.520 Intake 154 237 323 398 461 506 539 557
1.860 Exhaust 116 172 219 263 297 330 351 364
BP PB 5001
(CNC Ported)
2.520 Intake 156 245 338 415 471 511 545 566
1.860 Exhaust 119 169 217 261 301 343 367 382
PB 5002 2.520 Intake 148 242 335 406 464 505 535 546
1.860 Exhaust 113 167 217 254 316 348 353 359

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 5000 Bare
2158000 515 80         1
BP PB 5000 Pkg
2158100 515 80 2.520TI / 1.860TI 400 1.670 TI 1
BP PB 5001 Bare
2158001 515 80         1
BP PB 5001 Pkg
2158101 515 80 2.520TI / 1.860TI 400 1.670 TI 1
PB 5002 Bare
2150000 509 80         1
PB 5002 Pkg
2151000 509 80 2.520TI / 1.860TI 350 1.645 TI 1