HKS "Fine Tune" Timing Belt Supra heat treatment and shot-peening to

heat treatment and shot-peening to create a high durability spring with low inertia

Many Coilovers Manufactures Don't supply a "fit out the box" kit

Individual cylinder correction

Made entirely by us in the UK

HKS "Fine Tune" Timing Belt Supra heat treatment and shot-peening toProduct Description This timing belts best suited for use with HKS Slide Cam Pulley. Optimized belt strength for each engine application makes the Fine Tune Timing Belt ideal for use with HKS Slide Cam Pulleys for high power high RPM engine. Belt strength has been optimized for each engine application and designed to allow stable belt tension even when heat expansion occurs in the engine Previous timing belt manufacturing techniques have involved with