58MM EX13 Piston Ring Clips Pin Kit For EX13 EX13D 4.5HP 4 Stroke Engines This piston ring clips pin kit is designed for use with 58MM bore EX13 and EX13D 4.5HP four-stroke engines.The set includes piston ring clips and retaining pins necessary for proper piston assembly.Components are engineered to fit standard 58MM piston configurations used in EX13 series engines.The kit supports reassembly and repair of the engine's piston system, providing secure retention for piston rings during.This part is intended for use in maintenance or rebuild applications where piston components require replacement. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.