How do you replace lifters in a 3.0 dohc stealth?

To replace the lifters in a 3.0 DOHC Stealth, first, remove the engine covers and intake manifold to access the cylinder heads. Disconnect the rocker arms and camshafts to expose the lifters. Carefully remove the old lifters, ensuring no debris falls into the engine, and then install the new lifters in their respective positions. Reassemble the components in reverse order, ensuring proper torque specifications are followed.