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The BRODIX BB-3 XTRA has taken the conventional big block to the next level. These cylinder heads feature a valve angle that is rolled two degrees. The -3 XTRA is available in a rectangular-shaped or oval-shaped intake port configuration. The rectangular port is offered in an out-of-the box version or completely CNC ported. The out-of-the-box version comes standard with CNC ported 119 cc combustion chambers, CNC bowls blended and ports matched, and flow over 390 cfm. The BB-3 XTRA CNC ported version has 366 cc intake ports, 199 cc chambers, and flows over 420 cfm. The BB-3 XTRA CNC ported oval ports are available in three port volumes: 332 cc, 352 cc, and 365 cc. This wide range of port volumes allows the oval port to dominate virtually any engine combination available. Port shape, port velocity, and the latest technology have propelled these cylinder heads to the top of their class.
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Strongest Castings in The Business!
See a Comparison
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Intake Port
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Chamber Volume
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Valve Sizes Intake/Exhaust
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Exhaust
Pattern
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Valve
Centerline
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Intake Manifold
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BB-3 XTRA
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363 cc
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119 cc
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2.300/1.880
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Standard
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Standard
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HV 2000/
HV 2001/
SA 2013/
SA 2022
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BP BB-3 XTRA
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366 cc
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119 cc
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2.300/1.880
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Standard
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Standard
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HV 2000/
HV 2001/
SA 2013/
SA 2022
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BP BB-3 XTRA O
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351 cc
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119 cc
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2.300/1.880
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Standard
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Standard
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SA 2017/
SA 2027
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BP BB-3 XTRA O 332
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332 cc
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119 cc
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2.300/1.880
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Standard
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Standard
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SA 2017/
SA 2027
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BP BB-3 XTRA O 351
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351 cc
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119 cc
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2.350/1.880
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Standard
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Standard
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SA 2017/
SA 2027
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BP BB-3 XTRA O 365
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365 cc
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119 cc
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2.350/1.880
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Standard
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Standard
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SA 2017/
SA 2027
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Cubic Inch
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Compression
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Camshaft
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RPM
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Application
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BB-3 XTRA
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540 - 583
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13.1 Minimum
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Roller
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4000-7500
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Drag
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BP BB-3 XTRA
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540 - 583
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13.1 Minimum
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Roller
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4000-7500
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Drag
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BP BB-3 XTRA O
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540 - 583
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13.1 Minimum
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Roller
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4000-7500
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Drag
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BP BB-3 XTRA O 332
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496 - 555
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13.1 Minimum
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Roller
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4000-7500
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Drag
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BP BB-3 XTRA O 351
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540 - 583
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13.1 Minimum
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Roller
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4000-7500
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Drag
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BP BB-3 XTRA O 365
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540 - 583
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13.1 Minimum
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Roller
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4000-7500
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Drag
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Valve Size
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0.200
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0.300
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0.400
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0.500
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0.600
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0.700
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0.800
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0.900
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BB-3 XTRA
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2.300 Intake
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154
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230
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300
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356
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387
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389
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389
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391
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1.880 Exhaust
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142
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187
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217
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243
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265
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275
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280
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281
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BP BB-3 XTRA
(CNC Ported)
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2.300 Intake
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154
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237
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307
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362
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394
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416
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423
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423
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1.880 Exhaust
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130
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177
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239
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278
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284
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290
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295
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297
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BP BB-3 XTRA O
(CNC Ported)
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2.300 Intake
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163
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240
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312
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360
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393
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412
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418
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425
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1.880 Exhaust
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130
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177
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239
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278
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284
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290
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295
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297
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BP BB-3 XTRA O 332
(CNC Ported/
50° Valve Job)
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2.300 Intake
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153
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231
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300
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354
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396
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424
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425
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428
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1.880 Exhaust
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130
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177
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239
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278
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284
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290
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295
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297
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BP BB-3 XTRA O 351
(CNC Ported/
50° Valve Job)
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2.350 Intake
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154
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229
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298
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353
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400
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433
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441
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443
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1.880 Exhaust
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130
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177
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239
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278
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284
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290
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295
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297
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BP BB-3 XTRA O 365
(CNC Ported/
50° Valve Job)
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2.350 Intake
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151
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224
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294
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351
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400
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433
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451
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460
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1.880 Exhaust
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130
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177
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239
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278
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284
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290
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295
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297
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• PS CB:
Valve Bowls Blended
• PS MI:
Match Intake Port to BRODIX MG 2001
(BB-3 XTRA)
Match Intake Port to CO C5436
(BP BB-3 XTRA)
Match Intake Port to BRODIX MG 2104
(BP BB-3 XTRA O, BP BB-3 XTRA O 351)
Match Intake Port to BRODIX MG 2050
(BP BB-3 XTRA O 332)
Match Intake Port to BRODIX MG 2150
(BP BB-3 XTRA O 365)
• PS Valve Job:
Competition Valve Job
• Intake Valves:
2.300 x 5.568 o.a.l. -BR 81341
(BB-3 XTRA, BP BB-3 XTRA, BP BB-3 XTRA O,
BP BB-3 XTRA O 332 )
2.350 x 5.568 o.a.l. -BR 81351
(BP BB-3 XTRA O 351, BP BB-3 XTRA O 365)
• Exhaust Valves:
1.880 x 5.494 a.o.l. - BR 81138
• Valve Springs:
1.625 Roller Valve Spring - MA 221424,
260 lb Closed, 790 lb Open,
2.100 Installed Height
.800 Maximum Lift
(Standard Package)
1.645 Roller Valve Spring - CC 947 or CC 948,
315 lb Closed, 915 lb Open
2.100 Installed Height,
.850 Maximum Lift
(Spring Upgrade)
• Retainers:
1.625 10° Titanium - MA 23640
1.645 10° Titanium - MA 2001
• Valve Locks:
10° Jumbo - CC 611
• Rocker Studs:
7/16 - BR 716L, AR RRS-4I
• Guide Plates:
3/8 - CC 4806
• Valve Seals:
11/32 - US VS529V
(1.625 Valve Spring)
11/32 - US VS485V
(1.645 Valve Spring)
Special Intake Gaskets Are Available Exclusively From BRODIX
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• Torque Heads:
70 ft-lb
• Torque Rocker Studs:
40-45 ft-lb
• Intake Gaskets:
BRODIX MG 2001, FEL-PRO 52465
(BB-3 XTRA)
BRODIX MG 2001, COMETIC C5436,
FEL-PRO 52465 (BP BB-3 XTRA)
BRODIX MG 2104
(BP BB-3 XTRA O, BP BB-3 XTRA O 351)
BRODIX MG 2050
(BP BB-3 XTRA O 332)
BRODIX MG 2150
(BP BB-3 XTRA O 365)
• Head Gaskets:
4.540 - FEL-PRO 1017, COMETIC C5433
4.600 - FEL-PRO 1057, COMETIC C5434
• Exhaust Gaskets:
FEL-PRO 1411, COMETIC C5429
• Head Bolts:
ARP 135-3606, MANLEY 42192
• Head Studs:
ARP 235-4702 (12 pt)
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points:
NGK R5671A-9
for Alcohol
NGK R5671A-8
for Racing Gas
• Spring Pockets:
May Not be Cut Any Larger or
Deeper Than 1.625
• Valve Angle:
24° and 4° Intake
15° and 4° Exhaust
• Angle Milling:
.0066 in Per cc
• Flat Milling:
.0050 in Per cc
• Angle Machining:
Not Available on CNC Ported Heads
• Dowel Shift:
Not Available
• Pushrod Slots:
Standard
• Stud Girdle:
Standard, BRODIX 1230
• Rocker Arms:
Standard
• Lifters:
Standard
• Pistons:
2° Valve Rolled Piston
• Pushrods:
Check Pushrod Clearance with Head Installed on the
Engine Block Before Final Assembly
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BB-3 XTRA Bare
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119 Chamber
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2030001
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BB-3 XTRA Pkg (1.625 Spring)
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119 Chamber
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2031003
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BB-3 XTRA Pkg (1.645 Spring)
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119 Chamber
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2031004
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BP BB-3 XTRA Bare
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119 Chamber
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2038000
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BP BB-3 XTRA Pkg (1.625 Spring)
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119 Chamber
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2038100
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BP BB-3 XTRA Pkg (1.645 Spring)
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119 Chamber
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2038101
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BP BB-3 XTRA Combo (1.625 Spring)
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119 Chamber
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9992007-3
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BP BB-3 XTRA O Bare
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119 Chamber
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2038001
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BP BB-3 XTRA O Pkg (1.625 Spring)
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119 Chamber
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2038104
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BP BB-3 XTRA O Pkg (1.645 Spring)
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119 Chamber
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2038105
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BP BB-3 XTRA O 332 Bare
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119 Chamber
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2038002
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BP BB-3 XTRA O 351 Bare
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119 Chamber
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2038001
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BP BB-3 XTRA O 365 Bare
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119 Chamber
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2038003
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Phone: (479) 394-1075 • Fax: (479) 394-1996 • 301 Maple • P.O. Box 1347 • Mena, Arkansas 71953
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| Not legal for sale or use on pollution controlled motor vehicles. |
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© 2008 by Brodix, Inc.
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