tompett Posted September 15, 2020 Share Posted September 15, 2020 The box were marked 55 Cadillac, but no. Original 55 Cad used rocker arm to the left. Any idea what they will fit? it is a pair. Rocker arm bracket marked "4507" and rocker arm "68" Appreciate any help, Tom Pettersen Link to comment Share on other sites More sharing options...
TexRiv_63 Posted September 15, 2020 Share Posted September 15, 2020 Oldsmobile? Link to comment Share on other sites More sharing options...
The 55er Posted September 15, 2020 Share Posted September 15, 2020 Not Olds, Rocket V8 brackets were larger and had 2 mounting holes instead of 1. Link to comment Share on other sites More sharing options...
roysboystoys Posted September 15, 2020 Share Posted September 15, 2020 Take a look at Studebaker in a motors manual. strictly a wag from memory. Link to comment Share on other sites More sharing options...
tompett Posted September 16, 2020 Author Share Posted September 16, 2020 My mystery rocker arms will take 3/8" bolts only, not 7/16" as Cadillac - if that helps sorting out. Link to comment Share on other sites More sharing options...
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