I'm picking up a 75 model 360, 30,000 miles with a set of Magnum heads, I'm not sure of the specks on the heads or valve guides, I priced a hydraulic cam and push rods, crane gave me two cams one ic
216-228-.50-110 lobe separation 454-480 lift part # 693942
2nd 220-228-.50-110 lobe...