Classic Mini Large Bolt Wheel Cylinder Twin Leading

The larger bolt that fits front wheel cylinders from 1964 on when the cars were fitted with 2 cylinders per wheel. The small bolt is SH604031. A smart alternative is the easier to fit caphead bolt MSB0998. This bolt is also the 3 engine mounting bolts to the radiator mounting bracket and the engine front plate to block. Also crank damper 12A367 to pulley. Also front back plate to hub 5/16"unf 5/8"long.