TR SINGLE PLATE CLUTCH FOR ALFA ROMEO 1600CC/1750CC (HYDRAULIC)The [TR1A] TR Single PlateClutch series line up was designed for vehicles which have substantial increases in engine power. The billet aluminum cover provides a more direct clutch pedal feel, but still maintains ease of engagement due to the unique leverage mechanism of the diaphragm spring to reduce overall pedal effort. The TR1A was designed with Naturally Aspirated engines in mind. This is typically the lightest clutch flywheel assembly you'll find