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| SKU | SPECSB55ST |
| MPN | SB55ST |
| Certifications | None |
The SPEC ST-Trim Twin Clutch Kit is engineered for high-performance driving enthusiasts who demand exceptional reliability and clutch feel. Designed specifically for the 12-17 BMW M3, 15-17 BMW M2, and 13-17 BMW M4 models, this twin disc clutch kit ensures smooth and precise power delivery for aggressive acceleration and spirited driving.
With a focus on durability and performance, the ST-Trim clutch kit offers improved pedal effort and enhanced engagement characteristics over factory options. It allows drivers to fully exploit their V8 or inline configurations with confidence and control. The kit is manufactured with high-quality materials and attention to detail, making it a trusted upgrade for both street and track use.
Installation is straightforward for professionals and experienced DIYers alike, supported by SPEC's reputation for enthusiast-driven service and support. By choosing this clutch kit, you'll experience the perfect balance of performance, longevity, and daily drivability. Whether you're upgrading your hot rod, kit car, or muscle machine, the SPEC ST-Trim Twin Clutch Kit stands as a top-tier drivetrain component from a brand that understands the needs of serious automotive hobbyists.
With a focus on durability and performance, the ST-Trim clutch kit offers improved pedal effort and enhanced engagement characteristics over factory options. It allows drivers to fully exploit their V8 or inline configurations with confidence and control. The kit is manufactured with high-quality materials and attention to detail, making it a trusted upgrade for both street and track use.
Installation is straightforward for professionals and experienced DIYers alike, supported by SPEC's reputation for enthusiast-driven service and support. By choosing this clutch kit, you'll experience the perfect balance of performance, longevity, and daily drivability. Whether you're upgrading your hot rod, kit car, or muscle machine, the SPEC ST-Trim Twin Clutch Kit stands as a top-tier drivetrain component from a brand that understands the needs of serious automotive hobbyists.
Customer reviews
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Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















