HEAD STUD BLOCK TO HEAD LONGER TYPE OF SHORT FRONT STUD

This A type block 3/8" unc stud to retain the cylinder head is 11/16"(17.3mm) longer than the standard 4" type with 1.5" of thread to hold brackets for other ancillaries such as coil. Usually fitted only at the heater tap end of the cylinder head. If using 51K282 you will need spacers/washers under the nuts as it only has 3/4" thread. Gearbox differential housings also used this stud and reference chart as follows: Remote type case 53K266 are 4.5" long - 4 for remote now use TAM1617 53K1471 are 3" long 5/16" unc x3 or use 51K885 Rod change gearbox used- 22G1834 are 4.5" long 3/8" unc with 0.375" thread rod change only x2 - use 51K282 CHS2624 are 3" long 3/8" unc with 0.250" thread x3 or use BH506181 bolt