CP 1.2mm Cast Iron Back Cut 2nd Ring 4.000 bore Taper Hook Groove (Napier)

This listing is for a single CP Pistons 1.2mm cast iron second compression ring. It features a 4.000-inch bore size and a taper hook groove with a Napier style back cut. This ring is designed to help seal the combustion chamber and manage oil control in your engine's cylinder.

The cast iron construction offers good durability for everyday use. The Napier style back cut on the second ring helps to scrape excess oil from the cylinder wall, preventing it from entering the combustion chamber. This specific ring is intended for a 4.000-inch bore, making it suitable for many common engine builds. It's a solid option if you're rebuilding or refreshing your engine and need a reliable second ring.