BRODIX SBC AK SERIES CYLINDER HEADS/13 1310000

Regular price $ 1,470.41

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The AK series is the latest in sprint car technology. This head offers new features such as: a

13° valve angle, a relocated spark plug and down nozzle location, and an 80/135 valve spacing.

The BP AK head is offered in two intake port sizes, 270 cc and 285 cc. Special components

required for these heads are injectors, sheet metal valve covers, and a shaft rocker system.

Package Heads:

PS CB: VALVE BOWLS BLENDED • PS MI: O-RINGED (1.435 X 2.100 • PS Valve Job: COMPETITION VALVE JOB

• Intake Valves: 2.180 X 5.950 X 5/16 • Exhaust Valves: 1.600 X 5.950 X 5/16

• 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: 5/16 - CC 610 • Valve Seals: 5/16 - CC 500 

FACTS AND RELATED COMPONENTS:

• Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: O-RINGED

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

• Exhaust Gaskets: SPREAD PORT - BRODIX MG 52464 (TRIM TO FIT), COMETIC C5424

• Head Studs: AVAILABLE EXCLUSIVELY FROM BRODIX - BRODIX BR HSAP (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: NOT AVAILABLE • Flat Milling: .0060 in PER cc

• Angle Machining: NOT AVAILABLE • Pushrods: SPECIAL LENGTH

• Rocker Arms: SHAFT SYSTEM - T&D 2341, JESEL KPS 20592 • Lifters: .180 OFFSET

• Pistons: SPECIAL 13° • Intake Face Angle: 5°

Cylinder Head Specification

   INTAKE PORT CHAMBER VOLUME VALVE SIZES INT./EXH. EXH. PATTERN VALVE CENTERLINE INT. MANIFOLD

BP AK 270 270 cc              52 cc             2.180/1.600               Spread Port              80/135              Fuel Injection

BP AK 285 285 cc              52 cc             2.180/1.600               Spread Port              80/135              Fuel Injection

CUBIC INCH                   COMPRESSION                 CAMSHAFT                    RPM                                 APPLICATION

BP AK 270  380 - 410             13.5 Minimum              Roller             4500 - 8500             Oval Track / Drag Race

BP AK 285  380 - 410             13.5 Minimum              Roller             4500 - 8500             Oval Track / Drag Race

Flow Chart CFM @ 28" H20

                          VALVE SIZE    0.200          0.300          0.400         0.500          0.600         0.650         0.700

BP AK 270       2.180 INTAKE     154              236             298             333              361             373             376

(CNC Ported)  1.600 EXHAUST  110              161              213             238             248             256             258

BP AK 28        2.180 INTAKE     157              239              298             339             369             378              382

(CNC Ported)  1.600 EXHAUST  110              161              213             238             248             256             258

• AK 270 Bare Spread Port Exhaust 1310000 MAKE OFFER PER 2 

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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