Four pair of  NEW 1978 produced clevite 77 tri-layer rod bearings in 010 under. See my other listing of 3 and 1/2 pairs of bearings that would ship free with these.  Ask for invoice please.
Buick engines as follows:
364 1956-61
401 1959-66
400 1965-69
425  1963-66 
430 1967-69
455 1970-76
 These would also replace the upper half in all 8 rods in .010" under.
equivalent industry number 3320cp-10