- Compatibility : Designed specifically for Dodge, Jeep, and Chrysler vehicles with 3.7L and 4.7L engines produced between 1999 and 2003. This tool offers a stronger alternative to the original designs. - High-Quality Construction : Made from premium CNC machined heavy-duty steel and finished with black anodization. This ensures durability, resistance to corrosion and rust, and high precision, resulting in a longer service life. - Upgraded Functionality : This tool enables efficient compression of valve springs and access to keepers during valve spring replacement. It can also be converted to function as a rocker arm remover for servicing camshafts, rocker arms, and hydraulic lash adjusters on 3.7L and 4.7L engines. - User-Friendly Design : Serves as a reliable replacement for Miller tools 8426, 8387, 8516A, and 10102. Engineered for safe use, it ensures no damage to the camshaft or camshaft lobes, simplifying maintenance tasks. Practical Applications : 1. Ideal for professional mechanics and DIY enthusiasts performing valve spring replacements in Dodge, Jeep, and Chrysler vehicles. 2. Useful for servicing camshafts and rocker arms, making it a versatile addition to any automotive toolkit. 3. Ensures safe and efficient handling of critical engine components, minimizing the risk of damage during repairs.