Fidanza Performance (founded 1997) is the US based designer and manufacturer of the highest quality lightweight aluminum flywheels, precision adjustable cam gears and high-performance clutches in the world. With over 15 years in the performance automotive market, Fidanza is still the best-known and most respected manufacturer of performance and racing flywheels around. With product offerings ranging from European performance, to hot Asian imports, or vintage racecars to modern day muscle cars, we've got you covered. Our company is recognized the world over as the premier choice for quality driveline parts and we want you to experience why.