These wrenches are designed to eliminate the frustrating chore of removing the intake manifold on all evolution motors. The Yost Intake Manifold Wrench works on all evolution motors both sportsters (1986 & Later), and Big Twins (1984 & Later). Works great for installing all Yost Power Tube kits.

- Cuts an hour job in half
- No need to remove the gas tank, you remove only the carburetor
- The first job, the wrench will pay for itself
- Thereafter, the wrench will make you money
- Makes a difficult job easy

With proper usage this wrench should last a lifetime!