ATK HPSBF205 Small Block Ford 58cc/205cc Cylinder Heads Assembled (Set)

$1,398.00

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Lead Time: In Stock

Quantity
SKU: HPSBF205 Categories: , ,

Description

Specifications & Features:

Material: A356.2 Aluminum
Intake Port Volume: 203cc
Intake Valve Size: 2.08″
Exhaust Valve Size: 1.60″
Intake Port Dimension: 2.115″ H x 1.300″ W x 3/8 Radius
Intake Port Location: Stock
Exhaust Port Volume: 70cc
Exhaust Port Dimension: 1.400″ H x 1.400″ W
Exhaust Port Location: Raised .125″
Combustion Chamber Size: 58cc
Valve Cover Bolt Pattern: Perimeter Bolt
Valve Angle: 20°
Valve Spring Pocket Diameter: 1.580″ O.D
Max Valve Spring Pocket Machining: 1.625″ O.D
Deck Thickness: .750″
Minimum Bore Diameter: 4.000″
Spark Plug Dimensions: 14mm x .750″ w/Gasket Seat
Head Bolt Diameter: 1/2″

Recommended Components:

Intake Port Gasket: 1.200″ X 2.000″ w/ 3/8″ radius, Fel-Pro #1262
Exhaust Port Gasket: Fel-Pro #1487
Head Gasket: Fel-Pro 8548PT2 or 1011-1
Head Bolts: Ford 1/2″ ARP #154-3603
Head Studs: Ford 1/2″ ARP #254-4503
Suggested Manifold – Edelbrock Air Gap, Victor or Victor Jr.
Spark Plug Starting Range: Autolite 3923

                                Intake                Exhaust
0.100                         64.9                     64.2
0.200                        141.1                  112.1
0.300                        196                     149.5
0.400                        238.2                 180
0.500                        269.6                 197
0.600                        282.5                 202

 

*It’s up to the customer to confirm the heads and valvetrain components will work with their application. These are not factory components*

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