The originals do have two springs and Ronny is right, they are not easy to get in the pockets. Can’t remember if they install in the open or closed position. Try both. Keep at it, they will go in. Here is a picture of mine.
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Last edited by Phak1; 05/25/2022 11:37 PM.

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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