Supertech piston rings are specifically designed for use with Supertech forged pistons, delivering the sealing performance and durability required for high-performance and rebuilt MINI engines. Manufactured from premium materials with precision tolerances, these piston rings provide excellent cylinder sealing, improved oil control and consistent compression under demanding conditions. Engineered to complement Supertech forged pistons perfectly, they offer reliable performance, reduced blow-by and long-term durability for both road and track applications. Ideal for fresh engine builds, forged piston installations and high-boost setups where precision and reliability are essential. 77mm and 77.5mm are suitable for W11, N14 and N18 engines. 82mm and 82.5mm are suitable for the B48 engines Sold and priced per cylinder.
