The Sealey Valve Spring Compressor OHV is a precision engine tool designed for removing and installing valve springs on overhead valve engines during overhaul and maintenance work. Engineered to tackle most small and medium-sized OHV engines, this compressor offers the versatility and reach needed for professional engine rebuilds and cylinder head servicing. Built with a fully adjustable jaw mechanism, the tool accommodates valve springs ranging from 75mm to 165mm in capacity, whilst the generous 150mm throat depth provides excellent accessibility within the cylinder head assembly. The parallel lift action ensures even compression of the valve spring, reducing the risk of component damage or misalignment during removal and installation. The automatic lock feature enhances both safety and convenience, holding the spring securely in the compressed position whilst you work on removing or fitting valve collets and retainers. At just 1.17kg, this valve spring compressor delivers robust cons