The phrase "upgraded clutch" refers to replacing or improving the part of a vehicle that connects the engine to the transmission, allowing for smoother and more powerful gear changes. Full definition
It is strengthened with a reworked final drive unit, barreled axle shafts, and upgraded clutch packs. (en.wikipedia.org)
The engine sends power rearward via an upgraded clutch with a steel - backed disc and a short - throw, close - ratio six - speed manual (no automatic is available). (automobilemag.com)
The thicker gears, the improved carriers, upgraded clutches are all part of a set of hardware actions that translate to superior performance and durability for the customer. (greencarcongress.com)