As Hotrod Lincoln already pointed out, 216’s, 235’s and 261’s share the same rocker arm shaft. Only the rocker arms are different. They made them (235-261) up to 1962.

Last edited by Phak1; 11/20/2021 2:06 AM.
Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
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