Ford Racing Cylinder Head for 302/351W Ford Mustang Engines.Bare head 64cc Chamber.
For use in NASCAR Late Model Stock. I.M.C.A., DI.R.T., and most other stock car sanctioning groups on 351W engines.
Much improved air flow over previous E351 heads.
Developed by Ford Racing with the help of Larry Lackey and Robert Yates of RobertYates Racing.
Machined for 2.02 intake and 1.60 exhaust valve diameters.
Intake and exhaust valves have been moved .070 to unshroud the intake valve.
Valve angle changed from 22 degrees to 10 degrees to further improve air flow.
Intake port vlume 195cc, exhaust port volume 78cc nominal.
Extra thick port to allow custom porting. Accepts stud girdle M-6569-C351.
Thick deck for improved sealing increased section thickness in critical areas for porting, and webbed rocker bosses for improvd strength.
Designed for stud mount rocker arms. Compatible with stock and Ford Racing intakes, and valve train components.
High quality original equipment style cast iron castings, machining and components.
These ideals use Motorcraft AF orFS -series spark plugs depending on application.
Requires N-6564-F351/J351 roller rocker arms with offset intake valve pushrod cup and custom header flange with wide space bolt pattern N-9446-A351.
Must use head bolt kit MN-606-C351 to install cylinder heads.
Not legal for sale or use on pollution-controlled motor vehicles.
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Product ReviewsWrite a review
What headers can I use with these head's thanks
A number of headers will work with this. The instructions (linked from the product page) detail a few of the options.
Date published: 2015-08-10
Can these heads be bought with 58cc chamber?
this head comes with 64 cc chamber but can be milled down to42 cc (.150 thous. )
Date published: 2015-07-22
Were the M-6049-N351 heads ever on a production car ?
Date published: 2015-07-06
Is performance on these heads better or worse than performance of edelbrock aftermarket heads?, application is 1969 351w
It depends on what Edelbrock heads you're looking at and how you want to use your Mustang. This Ford Racing model is intended for racing, while Edelbrock offers a wide range for anything from street performance to track, with varying performance between them.
Date published: 2015-07-28
Are these heads different from stock 351w heads
These are more designed for racing, so there are many differences between these heads and stock heads.
Date published: 2015-02-23
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