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| SKU | BRCBC0100S |
| MPN | BC0100S |
| Certifications | None |
Upgrade your Mitsubishi 4G63 or EVO 8/9 engine with the Brian Crower Single Spring & Steel Retainer Kit. Designed for high-performance and durability, this kit is perfect for enthusiasts seeking reliable valve spring upgrades to enhance engine efficiency and power output.
The kit features premium-quality steel retainers paired with strong single valve springs crafted to withstand demanding motorsport conditions. Brian Crowers renowned expertise ensures a perfect fit and long-lasting performance, making it an essential choice for tuning and engine building projects.
Trust in the craftsmanship and reliability of Brian Crower parts to push your engine to its limits with confidence. Whether you are rebuilding a race engine or upgrading your street performance, this spring and retainer kit delivers precision and strength where it matters most.
The kit features premium-quality steel retainers paired with strong single valve springs crafted to withstand demanding motorsport conditions. Brian Crowers renowned expertise ensures a perfect fit and long-lasting performance, making it an essential choice for tuning and engine building projects.
Trust in the craftsmanship and reliability of Brian Crower parts to push your engine to its limits with confidence. Whether you are rebuilding a race engine or upgrading your street performance, this spring and retainer kit delivers precision and strength where it matters most.
Customer reviews
Based on 160 reviews
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.

















