Mahle Rings Performance Napier THM-13 4.005in x 1.5MM Plain Ring Set

This set includes the piston rings you need to reseal your engine's cylinders. Specifically, you get the Mahle Rings Performance Napier THM-13 set, designed for a 4.005-inch bore with a 1.5mm ring size. These plain ring sets are a popular choice when rebuilding an engine to ensure a good seal between the piston and cylinder wall.

Mahle is a well-known name in engine components, and this ring set is built to perform. The Napier hook on the second ring helps with oil control and prevents sticking, which is important for maintaining consistent compression and preventing blow-by. Proper ring seal is crucial for engine performance, oil economy, and emissions control, and this set is designed to help you achieve that.

When you're putting an engine back together, getting the piston rings right is key. This set from Mahle OE offers a reliable option for your build.