FORD RACING "SPORTMAN" SHORT TRACK CAST IRON CYLINDER HEAD

M-6049-N351 Bare Head (64cc Chamber) For use in NASCAR Late Model Stock, I.M.C.A., D.I.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 Robert Yates 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 20 degrees to 10 degrees to further improve air flow Intake port volume 195cc, exhaust port volume 78cc nominal Accepts stud girdle M-6569-C351 Thick deck and reinforced structure for improved sealing, increased section thickness in critical areas and webbed rocker bosses for improved strength. Designed for stud mount rocker arms. Compatible with stock and Ford Racing intakes These heads use Motorcraft AF or AFS-series spark plugs depending on application INSTALLATION NOTES Requires M-6564-F351/J351 roller rocker arms with offset intake valve pushrod cup Unique header flange required Must use head bolt kit M-6065-C351 to install cylinder heads THESE HEADS MAKE SO MUCH POWER THAT BRAND “X” RACERS WANT THEM DISQUALIFIED FROM “SPORTSMAN” COMPETITION! Parts to assemble M-6049-N351*: M-6566-D351 Pushrod guideplate (pkg. of 8) M-6527-C311 Rocker arm studs (pkg. of 16) M-6505-A351 High-flow stainless steel exhaust valve M-6507-A351 High-flow stainless steel intake valve M-6514-A50 Retainers (pkg. of 16)

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