For the gearheads and DIY engine builders – this MAHLE piston ring set is built for performance. Designed for a 4.030-inch bore, these rings are file-fit style with a 5/64 x 5/64 x 3/16 inch thickness, made with plasma moly coating for reduced friction and better sealing. They're standard tension and perfect for 8-cylinder engine rebuilds or upgrades. Whether you're working on a classic car, truck, or performance build, these rings offer durability and reliable compression. They come as a complete kit, ready to install with proper fitting. MAHLE is a trusted name in engine components, so you know you're getting quality. Ideal for street, strip, or track use. Just make sure you measure and file to fit your specific piston grooves. A solid choice for anyone serious about engine performance and longevity.
