Replaces valve springs and valve stem oil seals without the need to remove the cylinder head
Replaces valve springs and valve stem oil seals without the need to remove the cylinder head
Elevate Your BMW S58 Engine's Performance with the Ferrea Valve Spring Kit, now available at ECS Tuning. This high-performance kit is tailor-made for the G80, G82, and G83 models, featuring 24 valve springs, 24 titanium retainers, and 24 seat locators.
Add these Titanium Oversized Valves for Increased Performance!
Upgrade to Supertech's High Performance Oversized Valve Kit!
Upgrade to Supertech's High Performance Standard Sized Valve Kit!
Improved valve control and additional camshaft lift beyond what is possible with OEM valve springs!