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The BRODIX BD Series is the latest in cylinder head technology. This symmetrical port design virtually eliminates head gasket problems that have plagued the small block Chevy for decades.
The BD heads are available CNC ported in several port volumes. Special components needed for proper installation include: injector or intake manifold, headers, shaft rocker system, sheet metal valve covers, head stud kit, and camshaft core.
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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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WP BD 2000
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285 cc
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74 cc
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2.200/1.580
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Symmetrical
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85/125
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BM 100/BM 102
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WP BD 2300
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311 cc
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49 cc
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2.230/1.600
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Symmetrical
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95/150
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BM 100/BM 102
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WP BD 1010
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299 cc
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64 cc
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2.200/1.600
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Symmetrical
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58/125
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BM 100/BM 102
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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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WP BD 2000
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380 - 440
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13.5 Minimum
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Roller
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4500-8500
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Oval Track/
Drag Race/
Pro Street
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WP BD 2300
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415 - 460
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13.5 Minimum
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Roller
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4500-8500
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Oval Track/
Drag Race/
Pro Street
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WP BD 1010
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415 - 460
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13.5 Minimum
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Roller
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4500-8500
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Oval Track/
Drag Race/
Pro Street
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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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0.650
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0.700
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0.750
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0.800
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WP BD 2000
(CNC Ported)
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2.200 Intake
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157
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238
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302
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353
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381
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389
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399
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1.580 Exhaust
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109
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152
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205
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232
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241
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247
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250
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WP BD 2300
(CNC Ported)
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2.230 Intake
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150
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223
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275
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331
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382
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401
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410
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417
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1.600 Exhaust
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113
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164
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219
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246
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256
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260
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265
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267
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WP BD 1010
(CNC Ported)
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2.200 Intake
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152
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229
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292
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343
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375
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383
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388
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1.600 Exhaust
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117
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162
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220
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245
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255
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257
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260
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WP BD 2300
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• PS CB:
Valve Bowls Blended
• PS MI:
Match Intake Port to COMETIC C5421
• PS Valve Job:
Competition Valve Job
• Intake Valves:
2.200 x 6.090 o.a.l. - BX 2200-609T
(BD 2000, BD 1010)
2.230 x 6.250 o.a.l. - BX 2230-625T (BD 2300)
• Exhaust Valves:
1.580 x 6.090 o.a.l. - BR 91580 (BD 2000)
1.600 x 6.090 o.a.l. - BR 91600 (BD 1010)
1.600 x 6.250 o.a.l. - (BD 2300)
• Valve Springs:
1.550 Roller Valve Spring - GA 1000,
240 lb Closed, 550 lb Open,
1.950 Installed Height,
.700 Maximum Lift
• Retainers:
1.550 10° Titanium - MA 2398BR
• Valve Locks:
10° Jumbo - CC 611
• Rocker Studs:
Shaft System Required
• Valve Seals:
11/32 - US VS529V
Special Intake Gaskets and Spread Port Exhaust Gaskets Are Available Exclusively From BRODIX®
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• Torque Heads:
70 ft-lb
• Torque Rocker Studs:
40-45 ft-lb
• Intake Gaskets:
COMETIC C5421
• Head Gaskets:
350 - COMETIC C5404
400 - COMETIC C5408
• Exhaust Gaskets:
COMETIC C5420
• Head Studs:
Available Exclusively From BRODIX -
BRODIX BR HS/BD CI Block (Cast Iron Block)
BRODIX SKHS BD (Aluminum Block)
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points:
NGK R5671A-10 for Alcohol
NGK R5671A-9 for Racing Gas
• Spring Pockets:
1.550 Out of the Box, May Be
Cut to 1.625- No Larger or Deeper
• Valve Angle:
13.5° (BD 2000, BD 2300)
12° (BD 1010)
• Angle Milling:
.0065 in Per cc
• Flat Milling:
.0055 in Per cc
• Angle Machining:
Not Available
• Pushrod Slots:
Left Bare and Uncut
• Stud Girdle:
Not Available
• Rocker Arms:
JESEL or T&D Shaft System with 85/125 or
58/125 Spacing, Check Heads for Intake Offset
• Lifters:
.180 Offset Right (8) and
.180 Offset Left (8)
• Pistons:
BD 2000 - 13.5° with - 12 Spark Plug Angle
(#1 Cylinder)
BD 2300 - Custom
BD 1010 - Special 12° (#1 Cylinder)
• Pushrods:
Special Length
• Intake Face Angle:
BRODIX 5°
• Valve Covers:
Sheet Metal
• Manifold:
Valley Tray Required - Available Exclusively
From BRODIX
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BD 2000 Bare
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Symmetrical Exhaust
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1200000
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BD 1010 Bare
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Symmetrical Exhaust
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1200001
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WP BD 2000 Bare
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Symmetrical Exhaust
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1208000
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WP BD 1010 Bare
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Symmetrical Exhaust
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1208001
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WP BD 2000 Pkg
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Symmetrical Exhaust
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1208100
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WP BD 1010 Pkg
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Symmetrical Exhaust
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1208101
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WP BD 2300 Bare
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Symmetrical Exhaust
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1208002
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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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