Chris, I believe this is the kit you are asking about: Rocker Arm Oil Line Kit. A little pricy since it's not hard to duplicate with normal HW store fittings and some minor modification, once you see one, but this has all the pieces in one kit.

Doug


1947 2nd-Series GMC FC152 3/4-ton
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1953 Chevy Bel Air Sport Coupe Powerglide