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Vehicle Info NeededWORLD PRODUCTSPART NUMBER: 955-030620-2
Big Block Chevy Merlin III Cast Iron Cylinder Head 320cc Retangular Intake Ports
$1,49379
Ships on 09/11/2026
Lowest Price GuaranteeBig Block Chevy Merlin III Cast Iron Rectangular-Port Cylinder Heads
- Big Block Chevy Merlin III Cast Iron Cylinder Head
- 320cc Retangular Intake Ports
- 119cc Combustion Chambers
- 2.300'' Int/1.880'' Exh Valves
- 1.550'' Valve Springs, .650'' Max Lift for Hydraulic Roller Cam
- Assembled, Sold Individually
Valve Spring Specs: 1.550' Dual Valve Spring 150#, .650' Max Lift
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeCylinder Head
BrandWORLD PRODUCTS
Package Height7.0
Package Width9.8
Package Length23.6
Weight86.35 PG
Part CategoryPerformance Parts
Cylinder Head MaterialCast iron
Intake Port LocationStandard
Exhaust Valves IncludedYes
Locks IncludedYes
Retainers IncludedYes
Lock Style7 degree
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Maximum Valve Lift0.65 in (16.51 mm)
Valve Seat MaterialSteel
Heat CrossoverNo
Number Of Springs Per ValveDual
Valve Springs IncludedYes
Valve Seat Machine Style3-angle
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
Combustion Chamber StyleOpen chamber
QuantitySold individually
Valve Stem Seals IncludedYes
Intake Valve Diameter2.3 in (58.42 mm)
Accessory Bolt Holes DrilledYes
Exhaust Port LocationRaised
Valve Guide MaterialCast iron
Outside Diameter Of Outer Spring1.55 in (39.4 mm)
Combustion Chamber Volume (Cc)119
Machined For O-RingNo
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Stem Seal StylePositive stop
Retainer MaterialChromoly steel
Intake Runner Volume (Cc)320
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.88 in (47.752 mm)
Vendor Part Number030620-2
Package Qty1
Package TypeEA
No Questions
No Reviews
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Some parts are not legal for use in California or other states with similar laws / regulations
