General description Universal Valve Spring Tensioner Tool Set designed for changing valve stem seals. This tool kit is suitable for various 8V, 12V, and 16V engines equipped with overhead camshafts, allowing for the disassembly and assembly of valve springs and valve stem seals without the need to dismantle the cylinder head. Technical specifications Pressure pieces: Ø24 mm, Ø30 mm, Ø35 mm Total length per pressure piece: 85 mm Pressure lever total length: 330 mm Compatibility and accessories 3 pressure pieces 1 pressure lever 1 receptacle for pressure pieces 1 holder for pressure pieces (180° swivel) 1 extension 2 hexagon socket screws (M6 x 30) 2 self-locking nuts (M6) Sturdy plastic case for storage