Need 318 Gurus

jonn6464 said
... Also, the rocker arms and shafts are different. I'm not sure if they are both stock or not. Is there any benefit to one over the other?

Since it looks like you are running a hydraulic cam, I'd run the rocker assemblies and push rods off the blue motor. No adjustments, done. Save the 273 rockers for a solid lifter build or sell them.