Mack Piston Rings Set, 123.85mm Bore, 4.875", Fits E6 353GC241JP1 353GC280B 673 675 676

Here's a brand-new set of Mack piston rings, perfect for an engine overhaul or rebuild.

This set is a direct replacement and fits a 4.875-inch bore (123.85mm).

It's compatible with a range of Mack models including E6, 673, 675, and 676.

The part numbers cross-reference to several OEM options: 353GC241JP1, 353GC280B, 353GC241SP1, 353GC241CP1, and KEPR1196.

It also supersedes older numbers like 353GC2139.

These rings are manufactured in India and are a performance part, not a vintage piece.

The package includes the piston rings themselves; mounting hardware is not included.

All parts are new and unused, guaranteed.