This Ferrea Racing valve spring and retainer kit for S58 engines covers both the intake and exhaust sides. It includes precision-wound valve springs, seat locators and titanium retainers.
The kit is ready to install with any type of valve and is designed to support reliable cylinder head operation under high pressure, revs and temperatures.
- Full 72-piece kit
- 24 intake and exhaust valve springs
- 24 titanium retainers
- 24 seat locators
- Made in USA
Suitable for: BMW M2 II (G87), BMW M3 VII (G20/G21/G80/G81), BMW M4 II (G82).
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