13™ Series/13°

 

 

 

 


With the introduction of the new BP 13, BRODIX adds yet another weapon to its arsenal of cutting edge cylinder heads. Due to the use of our unique “Total Control” process, the BP 13 is unmatched in both quality and peformance. It utilizes a 13° valve angle, moved valve centerlines, and a 47 cc wet flow friendly combustion chamber. This 100% CNC ported offering from BRODIX is destined to become the industry standard.

Package Heads

Facts and Related Components

• PS CB:
Valve Bowls Blended

• PS MI:
Match Intake Port BRODIX MG 1600 (Trim to Fit),
MR. GASKET 143

• PS Valve Job:
Competition Valve Job

• Intake Valves:
2.180 x 5.550 o.a.l. (50° Seat Angle)

• Exhaust Valves:
1.625 x 5.550 o.a.l. (45° Seat Angle)

• 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

• Torque Heads:
70 ft-lb

• Torque Rocker Studs:
40-45 ft-lb

• Intake Gaskets:
BRODIX MG 1600 (Trim to Fit)
MR. GASKET 143

• Head Gaskets:
350 – FEL-PRO 1003, COMETIC C5399
400 – FEL-PRO 1004, COMETIC C5403

• Exhaust Gaskets:
FEL-PRO 1407

• Head Studs:
SK HSSB 13 (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°

• Angle Milling:
.0065 in per cc

• Flat Milling:
.0055 in per cc

• Angle Machining:
Not Available

• Pushrod Slots:
85/134

• Stud Girdle:
Not Available

• Rocker Arms:
Shaft System With 85/134 Spacing,
Check Heads for Intake Offset
– T&D 2126, JESEL KPS 41942

• Lifters:
.180 Offset

• Pistons:
Special 13°

• Pushrods:
Special Length

• Intake Face Angle:

• Valve Centerline:
85/134

• Intake Manifold:
HV 1300 / HV 1301 / Edelbrock 2955 / Edelbrock 2958

 

Flow Chart cfm @ 28″ H20

Part Number Valve Size
0.200
0.300
0.400
0.500
0.600
0.700 0.800
BP 13 STD
(CNC Ported)
2.180 Intake 50° 159 239 307 352 359 364 370
1.625 Exhaust 45° 113 164 213 236 247 258 263

Basic Easy Order Numbers

Part# Easy
Order #
Port
Vol.
Cham.
Vol.
Int/Ext
Valve
Spring Seat
Pressure
Spring
Diam.
Ret.
ST/TI
Per
13 STD CNC Bare
1230000             2
BP 13 STD Bare
1238000 283 47         2
BP 13 STD Pkg
1238100 283 47 2.180 / 1.625 240 1.550 TI 2
BP 13 STD Pkg
1238101 283 47 2.180 TI / 1.625 ST 240 1.550 TI 2
BP 13 STD Pkg
1238102 283 47 2.180 TI / 1.625 TI 240 1.550 TI 2
BP 13 STD Combo
9991027 283 47 2.180 ST / 1.625 240 1.550 TI 1
BP 13 STD Combo
With T&D Rockers
9991028 283 47 2.180 ST / 1.625 240 1.550 TI 1