Piston Ring Expander – Large 7 7/8” Dia. – Diesel – USA by Zim – very rare!!

The Large Piston Ring Expander with a 7 7/8” diameter, made in the USA by Zim. Made from cast and machined aluminum. This is a rare and valuable diesel tool for various heavy equipment types including locomotives, stationary engines, marine, mining trucks, excavators, motor graders, crawler loaders, cranes, tractors, and harvesters. This expander is designed to efficiently expand piston rings, ensuring proper sealing and performance for your equipment. With the quality craftsmanship of Zim and its compatibility with a wide range of equipment, this piston ring expander is a must-have for any business or industrial operation. Very rare tool!!

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