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Brodix 1001001 - Brodix Small Block Chevy -18X Series Aluminum Heads



Brodix 1001001 - Brodix Small Block Chevy -18X Series Aluminum Heads

JEGS Part Number: 158-1001001

Track 1 Series Cylinder Heads
  • 221cc Intake Ports
  • 67cc Combustion Chambers
  • 2.080'' Intake / 1.600'' Exhaust Valves
  • 1.550'' Dia. Springs - 240# Seat Pressure
  • Steel Retainers
  • Angle Plug
  • Assembled, 2/pkg.
  • $1,576.33
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    Brodix 1001001 - Brodix Small Block Chevy -18X Series Aluminum Heads Details

    Track 1 Series Cylinder Heads

  • 67cc Combustion Chambers
  • Cylinder Head Specifications
  • Intake Port Volume: 221cc
  • Combustion Chamber Volume: 67cc
  • Valves: 2.080'' dia. x 4.965'' o.a.l. Intake / 1.600'' dia. x 4.965'' 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° Steel
  • 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: Fel-Pro p/n 375-1206, Cometic p/n 245-C5414
  • 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: ARP p/n 070-234-4301 (12-point)
  • 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: Standard
  • Stud Girdle: Brodix BR 6435 (p/n 158-BR6435)
  • Rocker Arms: Standard, T&D Economy 2256, Jesel Shaft System KPS 01001
  • Lifters: Standard
  • Exhaust Pattern: Standard
  • Valve Centerline: Standard
  • Spring Pockets: May not be cut any larger or deeper than 1.550''
  • Accessory Bolt Holes are Drilled
  • Recommended Intake Manifold: Brodix BM 1000 (p/n 158-BM1000) / HV 1000 (p/n 158-HV1000) / HV 1002 (p/n 158-HV1002) / SE 100 (p/n 158-SE100) / SE 102 (p/n 158-SE102)

  • Specifications:

    Accessory Bolt Holes Drilled
    Yes
    Calculator
    Compression Calculator
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    67
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Aluminum
    Cylinder Head Style
    Assembled
    Damper Spring Included
    Yes
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    D-port
    Exhaust Valve Angle
    23
    Exhaust Valve Diameter (in.)
    1.6
    Exhaust Valves Included
    Yes
    Guideplates Included
    Yes
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Runner Volume (cc)
    221
    Intake Valve Angle
    23
    Intake Valve Diameter (in.)
    2.08
    Intake Valves Included
    Yes
    Lock Style
    10 degree
    Locks Included
    Yes
    Machined for O-Ring
    No
    Maximum Valve Lift (in.)
    0.7
    Number of Springs Per Valve
    Dual
    Oiling Style
    Through pushrod
    Outside Diameter of Outer Spring (in.)
    1.55
    Quantity
    Sold as a pair
    Retainer Material
    Steel
    Retainers Included
    Yes
    Rocker Arm Nut Thread Size (in.)
    7/16"-20
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    Yes
    Rocker Arms Included
    No
    Spark Plug Style
    Angled
    Steam Holes Drilled
    No
    Valve Cover Mounting Style
    Perimeter bolt
    Valve Guide Material
    Phosphorous bronze
    Valve Guides Included
    Yes
    Valve Seat Machine Style
    3-angle
    Valve Seat Material
    Ductile iron
    Valve Seats Machined
    Yes
    Valve Springs Included
    Yes
    Valve Stem Seals Included
    Yes
    Manufacturer's Part Number:
    1001001

    Big Horsepower Maker for Budget Racers!
    18° Intake & Exhaust Valve Angles

    The Brodix Small Block Chevy -18X Series Aluminum Cylinder Heads offer the best of both worlds, 18-degree horsepower without using expensive shaft rockers or offset lifters. This head offers a dramatic horsepower increase over the previous 23° cylinder head. Several advantages of the -18X are intake ports that flow over 320 cfm out-of-the-box, an intake valve size of 2.140, raised intake ports, and shallow combustion chambers. The -18X is an excellent choice for the budget-minded racer who wants to go fast. 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 interlocking valve seats installed. 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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