(12) Exhaust Valves

meticulously engineered for BMW S14B20

Please note that these 141

With CAT Cams' precisely crafted camshaft solutions

Why Port Injection

BMW N54 Valve Springs by SuperTech Seat Pressure:75 lbs (12) Exhaust ValvesDesigned to meet the demands of high performance applications, Supertech valve spring kits are favored by performance enthusiasts, engine builders, and professional racing teams alike. These kits are compatible with various N54 applications, including racing and performance street builds, delivering optimal performance at high RPMs. Crafted from high quality materials, Supertech valve springs are built to withstand the intense conditions of high