Made in USA
Merlin III Aluminum Heads Big Block Chevy Rectangular Port
Product Discontinued
WORLD PRODUCTSPART NUMBER: 955-020660-3

Merlin III Aluminum Heads Big Block Chevy Rectangular Port

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Merlin III Aluminum Big Block Chevy Rectangular Port Cylinder Heads - 350cc Intake Runner
    Merlin III Aluminum Heads
  • Big Block Chevy Rectangular Port
  • Cam Type: Solid/Hyd. Roller
  • Intake Runner: 350cc Rect.
  • Max Lift: .700''
  • Chamber: 119cc
  • Spring Specs: 1.550'' Dual 225# 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.

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    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.

    Spark Plugs: Accepts 14mm .750'' reach gasketed 5/8'' hex (NGK 7496 or 4930 or equiv.). Heat range may vary. Consult with engine builder.

    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
    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)
Product LineWorld Products World Products Big Block Chevy Merlin III Aluminum Heads
BrandWORLD PRODUCTS
Package Height6.6
Package Width10.1
Package Length24.1
Weight42.35 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Merlin III Aluminum Heads Big Block Chevy Rectangular Port — WORLD PRODUCTS