Application Valve Spring Compressor Tool for specified engine models. Please confirm model compatibility before . Function and benefits 3/8' drive valve spring removal tool enables efficient and easy disassembly of valve springs, helping you complete maintenance tasks faster and with less effort. Material and durability Made from sturdy steel, this valve spring compressor is strong and wear resistant, designed for long service life in regular workshop use. Compatibility Suitable for 3.7L and 4.7L engines. Verify model applicability before to ensure proper fit. Use scenarios Scenario 1: Valve spring removal during cylinder head service on vehicles with 3.7L or 4.7L engines. Scenario 2: Routine valve train maintenance requiring valve spring inspection or replacement on compatible engines. Scenario 3: Garage or use where a compact 3/8' drive tool assists with disassembly in tight spaces. Specifications Drive: 3/8' drive Material: steel Compatibility: 3.7L and 4.7L engines Note: Please confirm model compatibility before .