Wester Design Center's 65C816, 14 MHz, PLCC CPU. Normally found on IIgs accelerator boards.
If you're looking to push your accelerator board as fast as it can go then this new version of the 65C816 is what you'll need! Our Site is the perfect place from which to order small quantities of CPU's.
We have also compiled a guide to help you in over-clocking your TWGS >HERE<.