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World Products Merlin III Aluminum Heads Big Block Chevy Rectangular Port

World Products 020650-2


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ON SALE - $131.70 OFF
World Products Merlin III Aluminum Heads Big Block Chevy Rectangular Port $965.29
Merlin III Aluminum Heads
  • Big Block Chevy Rectangular Port
  • Cam Type: Hydraulic
  • Intake Runner: 310cc Rect.
  • Max Lift: .650''
  • Chamber: 119cc
  • Spring Specs: 1.550'' Dual 150# Seat
  • Assembled
  • Sold individually

  • Make An Excess Of 800 HP With No Porting!

    This is the World Products cylinder head that highly respected drag racers like Scotty Richardson employ to win NHRA National event titles and literally hundreds of thousands of dollars in high stakes ET Bracket Races. Merlin III is a true high performance head, capable of supporting in excess of 800 HP out of the box. Assemblies include premium quality Erson valves.

    Technical Specifications
    Material:355-T6 high density aluminum alloy
    Valve Seats: Steel intake, hardened steel exhaust
    Valve Guides: Bronze
    Valve Spring Seats: Machined for 1.640'' springs
    Valve Size: 2.300'' x 1.880''
    Exhaust Flange: Stock port location w/accessory bolt holes
    Included In Base Assembly: Erson stainless steel valves, ring & band style (-1 models) or PC style (-3 & -4 models) valve seals, 1.550'' (-1 & -3 models) or 1.640'' (-4 models) valve springs, Erson 7° (-1 models), 10° (-3 models) retainers, and keepers.

    Recommended Installation Items
    Head Gaskets: Fel-Pro 375-1017-1 or equivalent
    Pushrods: Requires heat treated pushrods
    Rocker Arm Studs: 7/16'' screw-in style with hex shoulder
    Spark Plugs: Accepts 14mm .750'' reach gasketed 5/8'' hex (NGK 7496 or 4930 or equiv.). Heat range may vary. Consult with engine builder.
    Intake Gasket: Fel-Pro 375-1211 or equiv.
    Exhaust Gasket: Fel-Pro 375-1410 or equiv.
    Head Bolts: 8 longer than stock required (World 955-073010)

    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations