SKU: N25

Cleveland Windsor Boss SBF Ford AFD Alloy Cylinder Heads Bare 2V PAIR


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This sale is for a PAIR of BARE Cylinder Heads. 

They are ready to assemble - Seats are cut and hand blended. 

Have confidence and pride these are a quality hand finished items right here in Melbourne Australia, hand blended bowls and hand finished. Just WOW!

Exceptional Quality for a Wow factor of a price!

These Cylinder heads flow and work like you wont believe. Best Bang for your Buck! 

Dont waste your time or money on rebuilding old Cast Iron units - upgrade now. Forget the headaches and crack testing woes.

We do offer Complete assemblies, valves, springs, retainers to suit your application, see our other listings for various assemblies to suit your camshaft. We have 4 Stages - 1 through to 4. Message us for more details or see our other listings.  

We have gotten 500 HP with these cylinder heads out of the Box! * must use matching combinations, cam shaft, intake, headers, etc.

These 2V heads with their efficient port design and great CSA (cross sectional area) will flow tremendous horsepower up to a thumping 393 Cube Small Block Ford! (Cleveland and Windsor)

Dont be fooled into thinking bigger is better, these heads flow. Its all about port Velocity and design. 

Just message us for further details. 


All 2V intake manifolds bolt up: Edelbrock Airgap is very popular and works extremely well. 

Also our TFC 2V hise rise manifold for that extra punch. 


Your existing headers will bolt right up - same location.

Airflow Dynamics Australia is in Melbourne, Australia.

With over 30 years port design / cylinder head experience, AFD delivers the results.AFD have worked with some of the industries leading engine builders, designing race winning cylinder head and manifold packages in all areas of Motorsport, from V8 Super Car, ARC ,Drag Boats, Speedway, Formula Ford, Circuit Racing, Drag Racing. 


Due to the over whelming popularity of this cylinder head we have sold out, our next batch is due early September, contact us to pre-order yours today


Airflow Dynamics has for many years believed that the 2v style Cleveland cylinder heads are capable of producing more power and torque than most people believe they can.
Through relentless development and over 30 years porting experience of these cylinder heads,we have a clear understanding of the key areas in which these cylinder heads needed to be redesigned and brought into the 21st century, 2018 brings our latest 200cc- 2.18" MCSA port design boasting an impressive 
310 + cfm at a usable performance street engine level. 
Outstanding results have been reported back to us from our very satisfied customers all over the world, which is a testament of our commitment of testing and evolving this model of Cleveland cylinder head into a world class quality product

Material:                                         356 Alloy, T6 

Chamber Volume:                         55cc, 57cc, 64cc, 68cc, Options

Intake Runner Volume:                  200cc

Intake Port location                        raised .100" over stock

Minimum Cross Section:               2.18 square inches MCSA 

Exhaust Runner Volume:             125cc - high velocity

Exhaust Port Location                 Raised .080? (near stock location) 

Valve sizes                                  Intake 2.100? (45 degree seat, custom 5 angles blended)

                                                     Exhaust 1.650? (45 degree seat custom high velocity radius/blended) 

Valve Guide Angles:                   Canted Valve angles
                                                    Intake 9.5 x 4 degrees
                                                    Exhaust: 9.5 x 3.0 degrees 

Valve Guides:                            Bronze .502? od x 11/32? stems .570" shoulder

Valve Seat Inserts:                     Intake: 2.250? x 1.880 x 3/8 (Durabond 7000 series)
                                                    Exhaust: 1.680? x 1.430? x 3/8 

Spark Plugs:                               relocated for efficient fast burn
                                                    ¾ reach, 5/8 hex, washer seat (NGKBCP7ES) 

Spring Pads:                              1.570? od/.560? id 

Valve Spring Height:                  1.960? (with stock length valve) 

Pushrods                                    5/16? or 3/8? (check required length)

Rocker Arm Studs                      7/16? unc

Rocker Arm Type                        7/16? stud mounted roller rockers (1.73 ratio)


Always trust Performance Parts Wholesale for the right parts.
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                     THANK YOU FOR YOUR INTEREST. 


Brand AFD Air Flow Dynamics
Unit Of Measure ea
Type 302 351 393 Cleveland Windsor Clevor Boss AFD
Modified Item No
Warranty 12 Months Manufacturer
Material Alloy
Non-domestic Product No
Custom Bundle No


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