Collection: Ratio de clôture

Close-ratio gear kits engineered for high-performance applications in circuit and rally use. Reduced gear spacing keeps the engine within its optimal torque band, improving acceleration and lowering lap times. Manufactured from high-strength steel with precision machining and heat treatment for maximum reliability under load. Proven under extreme conditions in rally, hill climb, and track competition. Available for JH3, JHQ, TL4, MTX75, C50/C52, BE, MA gearboxes, among others.