Brodix IK Series 1021004 Aluminum Cylinder Heads Specifications:

• Intake Port Volume: 180 cc
• Combustion Chamber Volume: 64 cc
• Valves: 2.020 in. dia. x 4.920 in. o.a.l. Intake/1.600 in. dia. x 4.920 in. o.a.l. Exhaust (11/32 in. Stem Diameter)
• Valve Springs:
  • Ideal for Hydraulic Flat Tappet Camshafts
  • 1.250 in. Diameter
  • Open Pressure: 300 lbs.
  • Closed Pressure: 100 lbs.
  • Installed Height: 1.850 in.
  • Max Lift: .525 in.
• Spring Retainers: 1.250 in. 7° Steel
• Rocker Studs: 3/8 in.
• Guide Plates: 5/16 in.
• Valve Seals: 11/32 in.
• Torque Heads: 70 ft-lb.
• Torque Rocker Studs: 40-45 ft-lb.
• Spark Plug Specs: 14mm Thread, .750 in. (3/4 in.) Reach, Gasket Seat
• Spark Plug Configuration: Straight
• Valve Angle: 23°
• Angle Milling: .0078 in. per cc
• Flat Milling: .0060 in. per cc
• Pushrod Slots: Standard
• Stud Girdle: Standard
• Rocker Arms: Standard
• Lifters: Standard
• Exhaust Pattern: Standard
• Valve Centerline: Standard
• Spring Pockets: May not be cut any larger or deeper than 1.550 in.
• Accessory Bolt Holes are Drilled

Brodix IK Series 1021004 Aluminum Cylinder Heads Related Components (each sold separately):

• Intake Gasket: Fel-Pro 1204 or Cometic C5416
• Head Gasket: Fel-Pro 1003 (350 ci.) 1004 (400 ci.) or Cometic C5399 (350 ci.) C5403 (400 ci.)
• Exhaust Gasket: Fel-Pro 1404 or Cometic C5415
• Head Bolts: ARP 134-3601 or Manley 42313
• Head Bolt Washers: MANLEY 42102
• Head Studs: ARP 134-4001 (6-point)
• Recommended Intake Manifold: Brodix HP-1 or HV 1016

FAQ

How do you tell what Brodix heads I have?

• Look for casting numbers or logos on the cylinder heads
• Check the Brodix website using the part number (1021004) for specifics
• Contact Brodix directly for identification assistance

What degree are Brodix Track 1 heads?

• Brodix Track 1 heads are available in both 23 and 18-degree configurations
• The specific degree depends on the variant of the heads

What is the flow number of the Brodix spec heads?

• Flow numbers for Brodix spec heads vary based on intake and exhaust valve sizes
• Refer to Brodix documentation or contact for detailed flow number information

What is the flow number of the Brodix bb2 Xtra heads?

• Brodix BB2 Xtra heads have varying flow numbers depending on valve sizes and configurations
• Consult Brodix specifications or reach out for precise flow number details

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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