This compound has been a favorite of sportscar endurance racing since its debut. 97 Compound has won races in CART, ALMS, Grand Am, and ASA, and Club Racing, and is a preferred pad for touring car and rally. 97 Compound has less initial bite and average torque than 01. It has great modulation, a very flat torque curve, and enhanced release characteristics. 97 are recommended as a general-purpose pad for Club Racing and Track Day events as well as a rear pad for less locking. Both 11 or 12 compound will be an excellent replacement for 97.97 Recommended Applications: Recommended for applications that demand excellent wear and modulation. NASCAR Short Track and Road Course Rear, NASCAR Speedway and Intermediate Rear, All Oval Track Race series Rear, Endurance GT, SCCA Racing, Porsche/BMW Club Racing and Track Day and Driver Education events.