Bolt for the crank pulley on early cars 1963-87 with 0.50"thread on 0.75" length with chamfered edge leading to nut end, fitted all non damper type crank pulley and S split type damper pulley
AEG454 plus pre A plus---for A plus see
TAM2019 which was 0.75"less the longer chamfered area.
We tried every known crank and came up with the longest thread possible on our
extra strong
C-AHT147 bolt and washer kit