Introducing the SuperTech High Performance Valve Kit, crafted specifically for BMW M20 engines, including M20B20, M20B23, M20B25, and M20B27. This valve kit is a top-tier upgrade for BMW enthusiasts seeking to enhance their engine's power, efficiency, and durability. Engineered to withstand the high demands of performance applications, SuperTech valves deliver exceptional precision and reliability for BMW's iconic inline-six engines. Whether for track days or spirited street driving, these high performance valves for the BMW M20 series are designed to optimize engine airflow, boost power, and improve overall performance. SuperTech is renowned among engine builders for producing quality components that consistently meet the standards of high-performance builds. For BMW M20 owners searching for a reliable performance valve solution, this kit combines superior engineering, meticulous quality, and proven results—perfect for extracting more power from your BMW M20B20, M20B23, M20B25, or M20B27 engine. Kit Contents: (6) Intake valves (6) Exhaust valves BMW M20B20 Applications: BMW 3 Series 1977-1982 E21 320 / 3261982-1994 E30 320i BMW 5 Series 1977-1981 E12 520 / 5261981-1987 E28 520i BMW 7 Series 1981-1987 E23 720i BMW M20B23 Applications: BMW 3 Series 1977-1982 E21 323i1982-1994 E30 323i BMW M20B25 Applications: BMW 3 Series 1985-1993 E30 325i / 325is / 325ix BMW 5 Series 1987-1990 E34 525i BMW M20B27 Applications: BMW 3 Series 1982-1987 E30 325e / 325es [North America] BMW 5 Series 1982-1987 E28 525e / 528e