Injector Pre Cup Fits Case/International Tractor 384 424 444 B414 B275One New Aftermarket Replacement Fits Case Fits International Injector Pre Cup Pre combustion Chamber that fits Tractor models: 354, 364, 384, 424, 434, 444, 2424 (with BD154 Engine), 2444, 3414, B275, B414, TD5, Early 500. This Injector Pre Cup Pre combustion Chamber is for Cylinder Head # 3043824R1, which is available through our Store. For the Cylinder Head with Valve Assemblies, search for Part # 3043824R1. For the Cyl. Head with Dual Valve