Motorcycle Carburetor Interface Manifold Intake For 17253-341-300 MC-JKJ015-FZ CB750K K1, K3, K4, K5, K6 The shell is made of thick material, wear-resistant and not easy to age.The connection is made of all aluminum core, stable connection with the wires in the motorcycle.The is polished and rounded meticulously, with attention to every detail.Fine workmanship allows for performance during use.Item Type: Carburetor Interface Material Type: Rubber Fits models: CB750K K1, K3, K4, K5, K6 1969–1976, CB750F Super Sport 1975–1976