Splitting a Linux kernel package

I've been spending too much time trying to get Webkit built in BodgeOS so I decided I distract myself by messing with the kernel package instead. Currently BodgeOS has a single kernel package called linux-lts which is 200MB while installed. This is a kernel with relatively many kconfig options enabled. It has the normal splitting options from the abuild system that split of all the documentation and development headers already, but what if I can push that a bit further. My initial idea was to split of kerne