Wiseco Ring Set-3.940inch Bore 5/64 x 5/64 x 3/16inch Ring Shelf Stock

This is a Wiseco piston ring set designed for a 3.940 inch bore. These rings are crucial for sealing the combustion chamber, controlling oil, and ensuring your engine performs as it should, especially when paired with Wiseco pistons. They are developed and tested for race-ready performance, meaning they’re built to handle demanding conditions.

The specific dimensions of this set are 5/64 inch for the top two rings and 3/16 inch for the oil control ring. This precise sizing is key to achieving optimal compression and preventing oil from entering the combustion chamber. Wiseco puts these rings through rigorous testing to ensure they work seamlessly with their pistons, making them a solid choice for engine builds where performance and reliability are important.