L4 16V Engine Section 3D model is available on CGTrader for $89. Original author: NoneCG. Specs: 78578 polys, 76687 verts.
OBJ (OBJ, filesize: 1.59 MB), LXO (Modo, filesize: 879 KB), LWO (Lightwave, filesize: 2.07 MB), DXF (DXF, filesize: 1.39 MB), MA (Autodesk Maya, filesize: 1.43 MB), FBX (Autodesk FBX, filesize: 1.38 MB), 3DS (3D Studio, filesize: 587 KB), HRC (Autodesk Softimage, filesize: 1.63 MB), DAE (Collada, filesize: 2.67 MB), BLEND (Blender, filesize: 618 KB), MAX (Autodesk 3ds Max, filesize: 5.98 MB), C4D (Cinema 4D, filesize: 305 KB)