• Install Harmonic Balancers on V8s and V6s • For '04 - Current Ford (M12x1.5) • For '08 - Current GM (M16x2.0) • For '06 - Current Chrysler and Dodge (M14x.15, M12x1.75) • Reduces the Risk of Stripping Threads Inside the Crank or Breaking Crank Bolts