pair richfield 10+5 ,12 1/4 +5 pair skychief 12 1/2 + 5 union pair 11 3/4 +4 1/2 chevron supreme pair 10 5/8 + 4 3/4 chevron pair 10+5 4 7/8 +10 3/4 union 76 pair 12 1/2 + 5 10 1/8 + 4 1/8 firechief 12 1/2 +5 shell premium 10 + 4 pan am 10+5 gulf no nox 12 1/2 + 4 1