Clutch Kit - ZR/XF 6000Caracteristicas: Huge acceleration and track speed gains Much better all around clutching performance and feel Quicker back shifting (down shift) More consistent clutching that holds RPM Lower clutch temps and longer belt life Easily adjustable for fine tuning Includes Goldstar magnetic adjustable clutch weights, primary spring, adjustable torsion conversion helix, and a torsion secondary spring Includes setup guidelines for model and modifications 2