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Brodix 1098103

Head Hunter 225 Series Cylinder Heads 225cc Intake Ports

Brodix 1098103

158-1098103

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Ships 12/13/16 if Ordered Today
Brodix 1098103 Head Hunter 225 Series Cylinder Heads 225cc Intake Ports $3,107.02
Head Hunter 225 Series Cylinder Heads
  • 225cc Intake Ports
  • 64cc Combustion Chambers
  • 2.150'' Intake / 1.570'' Exhaust Valves
  • 1.550'' Dia. Springs - 240# Seat Pressure
  • Titanium Retainers
  • Angle Plug
  • Assembled, 2/pkg.

  • Brodix 1098103 Details

    Head Hunter 225 Series Cylinder Heads

  • 64cc Combustion Chambers
  • Cylinder Head Specifications
  • Intake Port Volume: 225cc
  • Combustion Chamber Volume: 64cc
  • Valves: 2.150'' dia. x 5.250'' o.a.l. Intake / 1.570'' dia. x 5.250'' o.a.l. Exhaust ( 11/32'' Stem Diameter )
  • Valve Springs: 1.550'' Diameter - Open Pressure: 550 lbs.; Closed Pressure: 240 lbs.; Installed Height: 1.950''; Max Lift: .700''
  • Spring Retainers: 1.550'' 10° Titanium
  • Rocker Studs: 7/16''
  • Guide Plates: 5/16''
  • Valve Seals: 11/32''
  • Spark Plug Configuration: Angled

    Facts and Related Components
  • Torque Heads: 70 ft-lb.
  • Torque Rocker Studs: 40-45 ft-lb.
  • Intake Gasket: Brodix p/n 158-MG1234
  • Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)
  • Exhaust Gasket: Fel-Pro p/n 375-1406 or Cometic p/n 245-C5415
  • Head Bolts: ARP p/n 070-134-3601 or Manley p/n 660-42313
  • Head Bolt Washers: MANLEY p/n 660-42102
  • Head Studs: Brodix SK HSSB HH RO
  • Spark Plug Specs: 14mm Thread, .750'' (3/4'') Reach, Gasket Seat
  • Valve Angle: 23°
  • Angle Milling: .0078'' per cc
  • Flat Milling: .0060'' per cc
  • Pushrod Slots: .450'' offset rocker system T&D 2216 will clear 3/8'' pushrod with .180'' offset lifter
  • Stud Girdle: N/A
  • Rocker Arms: T&D 2216, Jesel Shaft System KRA 013020 (.450'' Offset)
  • Lifters: .180'' Offset Intake
  • Exhaust Pattern: Standard
  • Valve Centerline: 40/60
  • Spring Pockets: May not be cut any larger or deeper than 1.550''
  • Accessory Bolt Holes are Drilled
  • Recommended Intake Manifold: Brodix MS 90 (p/n 158-MS90) / MS 91 (p/n 158-MS91)

  • Specifications:

    Manufacturer's Part Number:
    1098103

    Flows 325 to 345 CFM at .700'' Lift!
    23° Intake & Exhaust Valve Angles

    The Brodix Small Block Chevy Head Hunter Series Aluminum Cylinder Heads are only getting better. The three oval-shaped heads in this arsenal include a 229cc intake port flowing 325 cfm (50° intake/45° exhaust valve seat angle), a 225cc raised intake port flowing over 335 cfm (52° intake/55° exhaust valve seat angle), and a 234cc raised intake port flowing over 345 cfm (52° intake/55° exhaust valve seat angle). Head Hunters are at the top of the 23-degree class, these heads come standard with all the finest qualities Brodix has to offer! Every casting is poured from A-356 virgin aluminum and tested before Brodix utilizes their in-house processes such as finish machining and heat treating to assure that you receive the best products for your hard-earned money. The industry standard has been taken to the next level with modernized CNC porting. Other features include a thick deck surface that is compatible with nitrous, drilled and tapped holes on the ends for standard drive accessories, phosphorous bronze valve guides and hardened valve seats installed for unleaded fuel. Sold in Pairs. Made in the USA!

      VALVE SPRING   Specs
      1.550'' Diameter Valve Spring for Mechanical Roller Lifter Cam
  • Spring Pressure Open: 550 lbs.
  • Spring Pressure Closed: 240 lbs.
  • Installed Height: 1.950''
  • Max Lift: .700''
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