The Sealey VS154 Valve Spring Compressor is a versatile engine overhaul tool designed for removing and installing valve springs on multi-valve petrol and diesel engines with deep-seated valves. This professional-grade compressor features a universal jaw design with an impressive 55-175mm capacity and 165mm throat depth, making it suitable for a wide range of engine configurations including OHC, OHV and CVH designs. The twin cam-action mechanism is a standout feature, permitting operation from either above or below the valve depending on access requirements and engine layout. This flexibility is particularly valuable when working in confined engine bays or dealing with complex cylinder head designs. The tool incorporates a reversible jaw and adaptor system, enhancing its versatility across different valve spring arrangements and engine types. At 2.24kg, the compressor offers a solid, robust construction whilst remaining manageable for extended workshop use. Ideal for automotive technici