We are Luoyang Decheng Power Parts co. , Ltd, We specialize in manufacturing bare cylinder head and block for CAT 3304 and 3306 engine. As a leading aftermarket parts manufacturer and supplier for heavy duty diesel engines in China，we provide our customers with the highest quality - - Competitive prices - - Delivered on time products. We have senior engineers and skiful people. We have been entered this field for many years. Our products export to America and other more than 20 countries all of the world. Like IPD，DHP and others large company in USA. You will find our main products as below: 3304 cylinder head: 8N1188(PC) 3306 cylinder head: 8N1187(PC) 3306 cylinder head: 8N6796(DI) 3306 cylinder block: 1N3576 Pls contact me at any time if you are intersted in our products.