Part Number: 31-0635 UOM: 1 - EA Summary:Front engine bolt mount block threads into regulator mount block. Mount block acts as nut for front bolts and will mount regulator. Mount block is chrome with 3/8" engine mount holes. Regulator holes are 1/4" . Fitment: FL 1941-1984 FX 1971-1984 FXST 1984-1999 FLST 1986-1999 Country of Origin: Imported