Fully adjustable valve spring compressor for use on multi-valve petrol and diesel engines with deep seated valves. Universal model with unique dual-cam action, parallel lift and automatic locking reversible jaw/ adaptor, suitable for general use on a wide range of OHC, OHV and CVH engines. A unique direct action compressor lever gives improved visibility and ease of use in areas of difficult access. Manufactured from heavy-duty steel with all riveted joints and a slip resistant rubber handles. Restricted access adaptors: 25mm, 30mm. Jaw opening: min 55mm, max 175mm. Throat clearance: 165mm. Packaging dimensions (W x H x D): 430 x 205 x 40mm.