ahora ma acorde el 302 era el que venia con 4 pernos en bcda en algunas paginas como esta salen las specs 302 Boss
Top performer of the 90 degree family.
Production from 1969 to 1970.
Available in Mustang 302 Sportsroof and Mercury Cougar Eliminator only.
Four bolt mains 8)
Screw in frost plugs
Canted valves, 2.23 in. / 1.71 in.
Cylinder heads from Ford's 335 Series family.
Threaded rocker arm studs
Push rod guide plates.
Stamped steel sled-fulcrum rockers
Mechanical lifter camshaft
dual plane, single four barrell aluminum intake.
Holley 780cfm carb
http://www.fordclassics.com/enginespecs.html