Success CFE 5.000 Bore Space 14 Degree CNC Ported BBC Heads | 586.773.6310


CFE 14 Degree

Spreadport BBC

Our 5" bore-spaced 14 degree spreadport head is recommended for large displacement, naturally aspirated engines or supercharged engines consuming gasoline or alcohol. CFE optimizes the valve locations to ensure maximum performance to well over an inch of lift plus this head exhibits excellent wet flow qualities. Our rolled-over exhaust flange allows for a higher flowing exhaust port necessary for larger displacement racing engines.
This head is not recommended for nitrous oxide use.

Cylinder Head Specifics

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Head Bolt Pattern:Brodix-Eicke or CFE-Fulton
Intake Valve Diameter:2.540"
Exhaust Valve Diameter:1.900"
Chamber Volume:84cc
Seats:Alloy seats are standard.
Guides:11/32" alloy guides are standard.
Exhaust Flange:CFE 5" flanges are available from various aftermarket sources. The pattern is a standard big block Chevy pattern on 5" centers.
Cooling Provisions:The CFE 14 degree head has cooling provisions on the intake flange. Coolant holes for a -16AN fitting can be added to the end of the casting upon request.

Cylinder Head Requirements

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Minimum Bore:4.600"
Intake Manifold:CFE die-formed fabricated manifold or CFE billet runner manifold required.
Exhaust Lifters:Qty 8 @ on-center
Valve Cover:Requires a standard Big Chief valve cover and valve cover gasket.
Shaft Rocker System (required)
Head Stud Part Number:235-4312
Spark Plug:3/4" reach gasketed spark plug
Options:Steel exhaust guides, step washers
Assembly Components:Call for details

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