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 Specifications:
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
• BP AK 270 L Bare Spread Port Exhaust 1318001 MAKE OFFER PER 2
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Free shipping 48 states
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Layaway terms available
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No one sells BRODIX for less.
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We handle the complete BRODIX line.
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CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER
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Warning: May cause cancer and reproductive harm.
