Fidanza Performance is a 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 20 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, they've got you covered. Fidanza is recognized as the premier choice for quality driveline parts.