Up for sale is a set of 12 rocker arms. This is NOT a matching set anymore. I don't have anymore of the number 5 on the rocker arm. All I have know is the ones with the number 85 on them. There are 4 groups of 3 rocker arms. The oil groove on the 1950-1958 was in the center of the rocker arm as shown 2nd picture. The number on the rocker arm is the last digit of the part number. You may find a little rust on screw and nut from sitting on the shelf for a long time. The TRW numbers were 44006, 44007, 44008 & 44009

3- 3837027 exh. left 3837031   TRW44008

3- 3837028 exh. right 3837032   TRW 44009

3- 3837025 int. left 3837029    TRW 44006

3- 3837026 int. right 3837030    TRW 44007 

1950 - 1958 Chevrolet 235 6 cyl. car & truck & Corvette

1954 - 1958 Chevrolet 261 6 cyl. truck

The only thing different between the early one and the later one is the oil groove as shown in the second picture. 

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