thrust block 8.75?

hi
do all sure grip rears use the same lenght thrust block. and if so do u have to dissimable the rear to install it. where can u buy one? thanks

nick

All 8 3/4" Sure-Grips use a 1 1/2" wide thrust block, the thrust buttons in the clutch type can be removed without splitting the case but the cone type has to be disassembled to remove the thrust block.