This document is a table providing height specifications for engine heads from various vehicle manufacturers. It lists manufacturer, model, fuel type, materials, standard height, and minimum height for over 100 engine models from brands like Peugeot, Renault, Toyota, Kia, Hyundai, Mitsubishi, Honda, BMW, Suzuki, Audi, Jeep, Nissan, Citroen, Mazda, Caterpillar, Komatsu, Volvo, Mercedes, Cummins, Perkins, MWM, Scania, Yanmar, GM, and others. The specifications range from 45mm to 180mm and cover gasoline, diesel, LPG, and other fuel types along with various head materials.