Never seen an aftermarket roller rocker with more than one oiling hole. Have Harland Sharp rockers on both cars right now. They are great quality, work perfectly, many thousands of trouble free miles.
1912 Model T Ford touring Salmon (ugh!)
1913 Model T Ford Touring original Black paint
1915 Model T Ford Roadster Black
1915 Model T Ford touring Black of course!
1967 Cougar GT 390 Cardinal Red / Black
1968 Cougar GTE 427 Augusta Green / Saddle
http://www.supermotors.net/vehicles/registry/15029/50071-2