Piston ring set 78mm for L70 engine motor replacement This piston ring set is designed for use with L70 engines, featuring a 78mm diameter to proper fitment.The set includes all necessary rings for complete piston assembly replacement.Constructed for durability and consistent performance, the rings support effective compression and oil control within the engine cylinder.Intended for use during engine rebuilds or maintenance procedures where ring wear or damage has occurred.Installation requires standard mechanical tools and knowledge of engine internals.