42-2641 | Rocker Arm Shaft 18 x 0.84 | Ford

Applications: 

Ford: Years 1976 & 1977, F-500 model with 330 C.I (5.4L) Heavy Duty 16V Engine

Ford: Years 1964, 1966-1967, 1969-1970, 1972, 1974 & 1977, M450 Motor Home model with 330 C.I (5.4L) Heavy Duty 16V Engine

Interchange:

Elgin: Part #RS668C

Ford: Part #B8AZ6563D

Melling: Part #MRS641

Pioneer, Inc.: Part #RS668C

SBI: Part #1861090

Sealed Power/FM: Part #RS621