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- Model: KT4059
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This Ferrea Racing valve spring kit, designed for the S58 engines of the BMW M3 G80, M4 G8x, and M2 G87, is a complete intake and exhaust solution. It includes precision-wound valve springs, titanium retainers, and seat locators, all engineered for high-performance applications. Compatible with all types of valves, this 72-piece kit ensures maximum reliability under extreme pressure, high RPM, and elevated temperatures—ideal for fully built cylinder heads.
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Direct bolt-on installation
Complete 72-piece kit
24 precision-wound valve springs (intake and exhaust)
24 lightweight titanium retainers (intake and exhaust)
24 hardened seat locators (intake and exhaust)
Engineered for high pressure, high RPM, and extreme temperature resistance
Made in USA
2026 - This material is exclusively copyrighted and reserved
| Manufacturer | Model | Type | Version |
|---|---|---|---|
| BMW | 2 Series | Gxx - 20-... | M2 - 460 |
| BMW | X3 / X4 | F9x - 16-23 | M - 480 / 510 |
| BMW | 4 Series | Gxx - 19-... | M4 - 480 / 510 |
| BMW | 3 Series | Gxx - 19-... | M3 - 480 / 510 |

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