The Sealey Diesel and Petrol Compression Leakage and TDC Tool Kit is a comprehensive diagnostic solution designed for testing compression and cylinder leakage on both diesel and petrol engines. This professional-grade kit provides mechanics and technicians with the essential tools needed to diagnose engine performance issues accurately across a wide range of vehicle makes and models. The kit features a robust 600psi gauge protected by a large rubber bumper for workshop durability, alongside straight and right-angled quick connect fittings that facilitate testing in confined engine bays. An extensive selection of spark plug adaptors (10, 12, 14, 18mm) and injector adaptors (M20, M22, M24) ensures compatibility with virtually all common vehicle types, whilst dedicated glow plug adaptors cover major diesel applications. A particularly valuable inclusion is the TDC (Top Dead Centre) finder, which proves ideal when working on engines that lack visible crankshaft timing marks or where access