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Brodix 1321000 - Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads

Brodix 1321000 - Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads

Brodix#158-1321000

Dragon Slayer Cylinder Heads
  • Assembled
  • 1.550'' Dia. Springs
  • Steel Retainers
  • Flat Tappet Cam

    Brodix 1321000 - Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads Details

    68cc Combustion Chamber

    Cylinder Head Specifications:
  • Torque Heads: 70 ft-lb.
  • Torque Rocker Studs: 40-45 ft-lb.
  • Intake Gasket: Fel-Pro p/n 375-1206 or similar
  • Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or similar
  • Exhaust Gasket: Fel-Pro p/n 375-1406 or similar
  • Head Bolts: ARP p/n 070-134-3601/MANLEY p/n 660-42313 or similar
  • Head Bolt Washers: MANLEY p/n 660-42102 or similar
  • Head Studs: ARP p/n 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

  • Brodix 1321000 - Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads

    Bolt on Performance!

    The Brodix Dragon Slayer Series Small Block Chevy Aluminum Cylinder Heads are the definition of economical out-of-the-box horsepower! The new 23° Dragon Slayer 225 cylinder head comes standard with CNC Ported 68 cc combustion chambers allowing this port to flow over 300 cfm @ .600 cam lift. The best thing about this head is that all standard components such as rockers, lifters and intake manifold may be used!

    Note: Sold In Pairs


    Intake Ports: 225cc
    Combustion Chamber: 64cc or 68cc
    Valve Sizes: 2.080'' Intake / 1.600'' Exhaust (4.965'' o.a.l., 11/32'' stem diameter)
    Valve Spring Specs:
    Mechanical Roller Cam
    1.550'' Dual diameter
    240 lbs./closed
    550 lbs./open
    1.950'' installed height
    .700'' max lift
    Valve Spring Specs:
    Mechanical Flat/Hydraulic Roller Cam
    1.550'' Single diameter
    140 lbs./closed
    400 lbs./open
    1.950'' installed height
    .600'' max lift
    Valve Centerline: Standard, Use Standard SB-Chevy Rocker Arms
    Spark Plug Location: Angled
    Rocker Studs: 7/16''
    Pushrod Guide Plates: 5/16''
    Ports & Combustion Chamber: As-Cast, No Porting

    JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need!

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