S&S billet front motor mounts for 1996- 02 Harley-Davidson Buell models With 100 CI engine are machined from 6061-T6 billet aluminum and offer a considerable increase in strength over stock. this version is designed to allow the S&S 100 engine to be installed in a stock Buell chassis. A special order front motor mount is also available. The special order front motor mount allows builders to install custom engines which are between .200 shorter and .430 taller than stock. Keep in mind that when installing some non-stock height engines in a stock Buell chassis, exhaust and frame clearance may be a problem.