The Tecumseh 33567 Piston Ring Set is a genuine OEM replacement part designed for Tecumseh engines with a 2-7/16 inch (61.91 mm) standard bore. This high-quality ring set is crucial for maintaining proper compression and oil control, ensuring efficient and reliable engine operation. It is compatible with a wide range of Tecumseh engine models including H25, H30, H35, H40, H50, H60, HH60, HS40, HS50, TVS90, TVS100, TVS105, TVS120, V40, V50, V60, VH40, VH50, VH60, VM80, VM100, VM120, XL, XL30, XL35, XL40, XL50, XL60, XL70, XL80, XL100, and XL120 series.