BMW S14 Valve Springs by SuperTech

Enhance your BMW's performance with Supertech high-performance valve spring kits, meticulously engineered for BMW S14B20, S14B23, S14B25, and S14B27 engines. Designed specifically for the demands of high-performance applications, these valve springs deliver unmatched valve control and reliability, essential for any serious engine build.

Each kit includes high-quality valve springs and all necessary components for seamless installation. Crafted from premium materials, Supertech valve springs excel in durability and performance, easily surpassing stock options. With optimized spring rates, they improve valve control, reduce the risk of valve float, and enable higher RPM operation, ensuring your engine operates at its best under demanding conditions.

Supertech has built a solid reputation among performance enthusiasts, engine builders, and professional racing teams because of their commitment to quality and performance.

When selecting valve springs for your BMW engine, Supertech stands out for its reliability and performance. Make the informed choice and invest in Supertech high-performance valve springs to maximize your engine’s potential and enjoy the confidence that comes with using a proven product.

Installation requires the expertise of an engine builder.

BMW S14 Applications:

BMW S14B20

1989-1991 E30 320is [Portugal and Italy]

BMW S14B23

1986-1991 E30 M3
1986-1987 E30 M3 Evo I
1988 E30 M3 Evo II

BMW S14B25

1990 E30 M3 Sport Evo (Evo III)