BB-1™, BB-2™ and BB-2 Plus™ Series/26°

 

The BB-1 rectangular port head has a 280 cc intake port and a 119 cc combustion chamber, but may be angle milled to 108 cc or angle machined to 98 cc. The BB-1 is designed for a 396 to 502 engine with a flat tappet or hydraulic cam. Most marine applications use this head for torque and throttle response. The BB-1 also comes completely CNC ported. The 305 cc intake port flows over 370 cfm and has maximum port velocity.The BB-2 and BB-2 Plus heads work well with a heavy car
and smaller engine (427-509 cu in). The BB-2 has a 305 cc intake port and flows 320 cfm; the BB-2 Plus has a 312 cc intake port and flows over 340 cfm with only the bowls blended and the intake ports matched. Both heads may be purchased angle milled to 110 cc. The combustion chambers are 119 cc and are properly shaped for use with either methanol or gasoline, preventing detonation. While creating the BB-2 Plus CNC, the professionals at BRODIX invested many long hours on the flow bench and at the track developing a completely ported cylinder head. The BRODIX porting design was incorporated into a 100% CNC ported masterpiece that can be mass produced. The CNC ported BB-2 Plus castings are CNC ported to a mirror finish and flow within 1% of each other. The bottom line is that our customers can now buy the most accurate, best flowing out-of-the-box cylinder heads available at the best price. All of these cylinder heads accept standard pistons, intake manifolds, and rocker arms. The exhaust ports are raised .600 higher than stock, and the valve cover rails are now raised to assure no oil leakage.

Package Heads

Facts and Related Components

• PS CB:
Valve Bowls Blended• PS MI:
Match Intake Port to BRODIX MG 2001

• PS Valve Job:
Competition Valve Job

• Intake Valves:
2.250 x 5.218 o.a.l. -BR 81040
(Standard Package)
2.250 x 5.318 o.a.l. – BR 81140
(Spring Upgrade)

• Exhaust Valves:
1.880 x 5.394 a.o.l. – BR 81038
(Standard Package)
1.880 x 5.494 o.a.l. – BR 81138
(Spring Upgrade)

• Valve Springs:
1.550 Roller Valve Spring – GA 1000,
240 lb Closed, 550 lb Open,
1.950 Installed Height,
.700 Maximum Lift
(Standard Package)

1.640 Roller Valve Spring – MA 221424,
250 lb Closed, 745 lb Open
2.050 Installed Height,
.800 Maximum Lift
(Spring Upgrade)

• Retainers:
1.550 10° Steel – CC 752
1.625 10° Titanium – MA 23640

• 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

• Torque Heads:
70 ft-lb• Torque Rocker Studs:
40-45 ft-lb

• Intake Gaskets:
BRODIX MG 2001, COMETIC C5428,
FEL-PRO 1252-3

• Head Gaskets:
4.310 – FEL-PRO 1027, COMETIC C5432
4.540 – FEL-PRO 1017, COMETIC C5433

• Exhaust Gaskets:
FEL-PRO 1411, COMETIC C5429

• Head Bolts:
ARP 135-3606,
MANLEY 42192 Bolts / 42102 Washers

• Head Studs:
ARP 235-4702 (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 1.625

• Valve Angle:
26° and 4° Intake
17° 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:
Standard

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

• Intake Manifold:
HV 2016 / HV 2000 (BB-1)
HV 2000 / HV 2001 (STS BB-1, BB-2, BB-2 Plus,
BP BB-2 Plus)

Flow Chart cfm @ 28″ H20

Part Number Valve Size 0.200 0.300 0.400 0.500 0.600 0.700 0.800
BB-1 2.250 Intake 150 209 259 290 300 303  
1.880 Exhaust 106 137 166 190 211 225  
STS BB-1
(CNC Ported)
2.250 Intake 168 252 314 348 368 375 379
1.880 Exhaust 130 166 200 235 264 283 295
BB-2 2.250 Intake 157 212 263 294 312 320  
1.880 Exhaust 107 137 166 190 214 226  
BB-2 Plus 2.250 Intake 150 215 265 311 334 344  
1.880 Exhaust 122 148 187 216 229 238  
BP BB-2 Plus
(CNC Ported)
2.250 Intake 162 244 285 328 359 369 373
1.880 Exhaust 132 169 204 234 261 274 284

Basic Easy Order Numbers

Part# Easy
Order #
Port
Vol.
Cham.
Vol.
Int/Ext
Valve
Spring Seat
Pressure
Spring
Diam.
Ret.
ST/TI
Per
BB-1 Bare
2010000 280 119         1
BB-1 Pkg
2011000 280 119 2.250 / 1.880 140 1.550 ST 1
BB-1 Pkg
2011001 280 119 2.250 / 1.880 240 1.550 ST 1
BB-1 Pkg
2011002 280 119 2.250 / 1.880 240 1.550 TI 1
BB-1 Pkg
2011003 280 115 2.250 / 1.880 140 1.470 ST 1
BB-1 Pkg
2011004 280 115 2.250 / 1.880 240 1.550 ST 1
BB-1 Pkg
2011005 280 115 2.250 / 1.880 240 1.550 TI 1
BB-1 Pkg
2011006 280 110 2.250 / 1.880 140 1.470 ST 1
BB-1 Pkg
2011007 280 110 2.250 / 1.880 240 1.550 ST 1
BB-1 Pkg
2011008 280 110 2.250 / 1.880 240 1.550 TI 1
BB-1 Special
2019001 Customer Order           1
BB-2 Bare
2020000 305 119         1
BB-2 Pkg
2021000 305 119 2.250 / 1.880 240 1.550 ST 1
BB-2 Pkg
2021001 305 119 2.250 / 1.880 240 1.550 TI 1
BB-2 Pkg
2021002 305 119 2.250 / 1.880 250 1.625 TI 1
BB-2 Pkg
2021003 305 119 2.250 / 1.880 315 1.645 TI 1
BB-2 Pkg
2021004 305 115 2.250 / 1.880 240 1.550 ST 1
BB-2 Pkg
2021005 305 115 2.250 / 1.880 240 1.550 TI 1
BB-2 Pkg
2021006 305 115 2.250 / 1.880 250 1.625 TI 1
BB-2 Pkg
2021007 305 115 2.250 / 1.880 315 1.645 TI 1
BB-2 Pkg
2021008 305 110 2.250 / 1.880 240 1.550 ST 1
BB-2 Pkg
2021009 305 110 2.250 / 1.880 240 1.550 TI 1
BB-2 Pkg
2021010 305 110 2.250 / 1.880 250 1.625 TI 1
BB-2 Pkg
2021011 305 110 2.250 / 1.880 315 1.645 TI 1
BB-2 Special
2029000 Custom Order           1
BB-2 Plus Bare
2020001 312 119         1
BB-2 Plus Pkg
2021012 312 119 2.250 / 1.880 240 1.550 ST 1
BB-2 Plus Pkg
2021013 312 119 2.250 / 1.880 240 1.550 TI 1
** BB-2 Plus Pkg **
2021014 312 119 2.250 / 1.880 250 1.625 TI 1
BB-2 Plus Pkg
2021015 312 119 2.250 / 1.880 315 1.645 TI 1
BB-2 Plus Pkg
2021016 312 115 2.250 / 1.880 240 1.550 ST 1
BB-2 Plus Pkg
2021017 312 115 2.250 / 1.880 240 1.550 TI 1
** BB-2 Plus Pkg **
2021018 312 115 2.250 / 1.880 250 1.625 TI 1
BB-2 Plus Pkg
2021019 312 115 2.250 / 1.880 315 1.645 TI 1
BB-2 Plus Pkg
2021020 312 110 2.250 / 1.880 240 1.550 ST 1
BB-2 Plus Pkg
2021021 312 110 2.250 / 1.880 240 1.550 TI 1
BB-2 Plus Pkg
2021022 312 110 2.250 / 1.880 250 1.645 TI 1
BB-2 Plus Pkg
2021023 312 110 2.250 / 1.880 315 1.645 TI 1
BB-2 Plus Special
2029001 Custom Order           1
STS BB-1 Bare
2018001 305 119         1
STS BB-1 Pkg
2018102 305 119 2.250 / 1.880 240 1.550 TI 1
STS BB-1 Pkg
2018103 305 119 2.250 / 1.880 250 1.625 TI 1
STS BB-1 Pkg
2018104 305 119 2.250 / 1.880 315 1.645 TI 1
STS BB-1 Pkg
2018105 305 115 2.250 / 1.880 240 1.550 TI 1
STS BB-1 Pkg
2018106 305 115 2.250 / 1.880 250 1.625 TI 1
STS BB-1 Pkg
2018107 305 115 2.250 / 1.880 315 1.645 TI 1
STS BB-1 Special
2019003 Custom Order           1
BP BB-2 Plus Bare
2028001 320 119         1
BP BB-2 Plus Pkg
2028109 320 119 2.250 / 1.880 240 1.550 TI 1
** BP BB-2 Plus Pkg **
2028110 320 119 2.250 / 1.880 250 1.625 TI 1
BP BB-2 Plus Pkg
2028111 320 119 2.250 / 1.880 315 1.645 TI 1
BP BB-2 Plus Pkg
2028112 320 115 2.250 / 1.880 240 1.550 TI 1
** BP BB-2 Plus Pkg **
2028113 320 115 2.250 / 1.880 250 1.625 TI 1
BP BB-2 Plus Pkg
2028114 320 115 2.250 / 1.880 315 1.645 TI 1
BP BB-2 Plus Special
2029005 Custom Order           1
BP BB-2 Plus Combo
9992000-3 312 119 2.250 / 1.880 240 1.550 ST 1
BB-2 Plus Combo
9992004-3 312 119 2.250 / 1.880 250 1.625 TI 1
BP BB-2 Plus Combo
9992002-3 320 119 2.250 / 1.880 250 1.625 TI 1

 

 

 

 

 

 

 

 

2 Comments

  1. Pete Maggio says:

    I have a set of BB2PLUS CAN I USE THIS SET OF HEADS ON A 582 Gen six bbc