Designed for BMW M50

The RB series engines were featured in various Nissan vehicles

thread pitch

and performance to your BMW S58 engine

making them a top choice for enthusiasts and professionals alike

BMW N20 Valve Spring Kit by Ferrea M43 Designed for BMW M50Engineered to tackle common issues like binding, breakage, and valve float, Ferrea Valve Springs are ideal for maximizing your N20 engine's reliability and performance. Combatting Valve Binding, Breakage, and Float for BMW N20 Performance Valve binding can cause improper valve movement, risking severe engine damage. Breakage can lead to valves dropping into the combustion chamber, resulting in catastrophic failures. Valve float, often due to