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Brodix 1001000A - Brodix Small Block Chevy Track 1 Series Aluminum Cylinder Heads

Brodix 1001000A - Brodix Small Block Chevy Track 1 Series Aluminum Cylinder Heads
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Brodix#158-1001000A

Track 1 Complete Cylinder Heads
  • Small Block Chevy
  • 221cc Intake Ports
  • 67cc Combustion Chambers
  • 2.055" Int./1.600" Exh. Valves
  • 1.550" Dia. Springs - Steel Retainers
  • Hydraulic Roller Cam
  • Angle Plug
  • Sold in Pairs

    Brodix 1001000A - Brodix Small Block Chevy Track 1 Series Aluminum Cylinder Heads Details

    Track 1 Cylinder Heads

  • 67cc Combustion Chambers
  • **NOTE: This cylinder head is equipped with a 1.550'' diameter valve spring that is intended for Hydraulic Roller Lifter applications.
  • Spring Pressure Open: 325 lbs.
  • Spring Pressure Closed: 140 lbs.
  • Installed Height: 1.900''
  • Max Lift: .575''

    Cylinder Head Specifications:
  • Intake Port: 221cc
  • Chamber Volume: 67cc
  • Valves: Intake 2.055'' / Exhaust 1.600''
  • Valve Springs: 1.470'' diameter
  • Spring Retainers: Steel
  • Plug Angle: Angle
  • Exhaust Pattern: Standard
  • Valve Centerline: Standard

    Facts and Related Components:
  • Torque Heads: 70 ft-lb.
  • Torque Rocker Studs: 40-45 ft-lb.
  • Intake Gasket: Fel-Pro - 375-1206 or similar
  • Head Gasket: Fel-Pro - 375-1003 (350ci) / 375-1004 (400ci) or similar
  • Exhaust Gasket: Fel-Pro - 375-1406 or similar
  • Head Bolts: ARP - 070-134-3601 or similar
  • Head Studs: ARP - 070-234-4301 (12-point) or similar
  • Accessory bolt holes are drilled
  • Spark Plug Starting Points: 14mm Thread, .750'' (3/4'') Reach, Gasket Seat
  • Spring Pockets: May not be cut any larger or deeper than 1.550''
  • Valve Angle: 23°
  • Angle Milling: .0078'' per cc
  • Flat Milling: .0060'' per cc
  • Pushrod Slots: Standard
  • Stud Girdle: Standard
  • Rocker Arms: Standard
  • Lifters: Standard


    TRACK 1 Cylinder Heads
    The Track 1 is a great middle ground configuration cylinder head for the budget minded racer. The Track 1 offers 221cc intake runners, 67cc combustion chambers, 2.080'' intake/1.600'' exhaust valves for horsepower gains and still uses a standard small block Chevy rocker arm design to help keep the cost of racing down. The Track 1 also has ''as-cast'' ports and combustion chamber to help keep cost down without giving up power. The ports and chambers could be easily smoothed at home for potential power gains. The 221cc intake port flows over 278cfm at 700'' lift. The exhaust port flows over 189cfm at 700'' lift.
    Intake Ports: 221cc
    Combustion Chamber: 64cc or 67cc
    Valve Sizes: 2.055'' Intake / 1.600'' Exhaust (4.965'' o.a.l., 11/32'' stem diameter) or
    2.080'' Intake / 1.600'' Exhaust (4.965'' o.a.l., 11/32'' stem diameter)
    Valve Spring Specs:
    Hydraulic Roller Cam
    1.470'' diameter
    125 lbs./closed
    325 lbs./open
    1.900'' installed height
    .575'' max lift
    Valve Spring Specs:
    Mechanical Flat/Roller Cam
    1.550'' diameter
    240 lbs./closed
    550 lbs./open
    1.950'' installed height
    .700'' max lift
    Valve Centerline: Standard, Use Standard Small Block Chevy Rocker Arms
    Rocker Studs: 7/16''
    Pushrod Guide Plates: 5/16''
    Ports & Combustion Chamber: As-Cast, No Porting




  • Brodix 1001000A - Brodix Small Block Chevy Track 1 Series Aluminum Cylinder Heads

    Race Ready, Right Out Of The Box!

    The Brodix Small Block Chevy Track 1 and Track 1X Series 23° Cylinder Heads were designed for the drag or oval track racer who wants a lighter weight cylinder head that can make a significant difference in horsepower. These similar intake port cylinder heads cover and work incredibly well with many engine combinations. They are available with three different combustion chamber volume sizes with standard (Track 1) and 40/60 (Track 1X) valve centerline configurations. 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''

  • Track 1 part numbers ending with
    the letter "A" = Angled Spark Plug

    Track 1 part numbers ending with
    the letter "S" = Straight Spark Plug

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