Technical Specification: Standard (STD) size for 86mm (3.38 inch) bore engines. Includes a complete 3-ring set for one piston: 1.75mm Compression Top 2.0mm Compression Middle and 4.0mm Oil Control ring. Engine Compatibility: Specifically designed for Lister Petter and Onan Alpha Series water-cooled engines including models LPW2 LPW3 LPW4 LPWS2 LPWS3 LPWS4 and LPWT. Exact OEM Match: Direct replacement for part numbers 750-13120 and 750-11401. Also compatible with Onan engine models DN2M DN3M and DN4M. Durable Construction: Manufactured from high-strength cast iron to meet original equipment standards for heat resistance compression sealing and oil consumption control. Application Use: Essential for engine rebuilds and overhauls in Ditch Witch equipment portable generators military power units and marine propulsion engines.
