Page 115 of 2008 Performance Parts by Ford Racing Performance Parts

roller rocker arms performance features · reduces friction and horsepower loss · increases high-rpm train stability part number package of 16 part number package of 2 design features · high-strength trunnion supported by needle roller bearings · grade 8 adjusting nuts · precision machined from 2024 high-tensile strength aircraft alloy extrusions applications description ratio mounting valve type notes m-6564-a351 m-6564-as51 289/302/351w m-6564-d351 m-6564-ds51 m-6564-k351 n/a and ford racing aluminum cylinder heads m-6049-j302 289/302/351 ford racing aluminum cylinder head m-6049-z304 does not fit m-6049-z304d m-6049-z304da 302/351w ­ 1978 and later with production heads cast iron and aluminum gt-40 heads 302/351w ­ 1978 and later with production heads cast iron and aluminum gt-40 heads m-6049-n351/n352 sportsman head m-6049-z304d m-6049-z304da 351c/351m/400 1973 and later 429/460 production cylinder heads 1.60:1 1.70:1 1.60:1 stud stud stud inline inline inline requires 3/8 stud push rod guide plates and hardened push rods cast iron cylinder heads require pedestal machining requires 7/16 stud push rod guide plates and hardened push rods cast iron cylinder heads require pedestal machining m-6564-b351 m-6564-bs51 1.60:1 1.70:1 1.70:1 bolt on bolt on bolt on inline inline inline m-6564-e351 m-6564-es51 m-6564-a50 for stock production cast iron cylinder heads with hydraulic non-adjustable valve train does not require guide plates hardened push rods or pedestal machining includes pedestal inserts and bolts same as cobra 5.0l mustang these rocker arms have beefy trunnions for extra long life die-cast aluminum construction m-6564-f351 n/a 1.65:1 stud inline 7/16 stud mount intake rocker with .150 offset push rod cup pkg of 16 engine components m-6564-c351 m-6564-cs51 1.73:1 bolt on canted 1.73:1 stud canted 302 boss/429/460 429 cj/scj and ford racing high-port aluminum cylinder heads notes the m-6564-b351 and -e351 bolt-on roller rocker arms will not clear the stamped rocker cover on standard 5.0l efi engines taller valve covers such as the production 5.0l efi ho die-cast aluminum cover or ford racing chrome cover m-6582-d302 can be used if the baffle is modified in the rh cover the m-6582-e302 polished aluminum valve cover will clear all rocker arms and stud girdles but will not fit under the efi manifold unless a 1 spacer m-9486-a53 is used between the upper and lower sections of the intake m-6582-e302 will not fit 1994-95 mustang or 1990-93 t-bird serviced individually from your ford lincoln or mercury dealer rocker channels not included m-6564-a460 m-6564-as60 351c/351m/400 for stock production canted valve cylinder heads with hydraulic non-adjustable valve train does not require guide plates hardened push rods or pedestal machining includes pedestal inserts and bolts for canted valve cylinder heads requires 7/16 stud push rod guide plates and hardened push rods some cast iron cylinder heads require pedestal machining cobra roller rocker bolt-on type roller rocker arm assembly stud-mounted type not legal for sale or use on pollution-controlled motor vehicles direct replacement part see pages 2-8 for important safety emissions and warranty information www.fordracingparts.com 113

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