BMW S58 Beehive Valve Spring Kit - GSC Power-Division GSC5023

The GSC Power-Division Beehive Valve Spring Kit with Ti Retainer for the BMW S58 includes 24 titanium retainers (12 Intake and 12 Exhaust) and 24 beehive valve springs. Our beehive spring utilizes advanced material heat treatment methods for...

Toyota/BMW B58/S58 STD Intake Valve - GSC Power Division GSC2092-01

When creating our valves we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test...