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The RFX FXMS 10100 55RD fuel mixture screw is a high-quality replacement component designed specifically for Keihin FCR carburetors. Its innovative design allows for quick and easy adjustments, making tuning on the track more efficient and precise. Crafted with durability in mind, this screw ensures reliable performance even in demanding racing conditions. The included O-ring provides a secure seal, preventing fuel leaks and maintaining optimal carburetor function. Available in vibrant red, orange, or blue, this part not only enhances performance but also adds a splash of color to your engine bay, helping you easily identify your tuning components. Installing the RFX fuel mixture screw is straightforward, and its precise threading guarantees a snug fit, ensuring your carburetor operates smoothly. Whether you're fine-tuning your setup or replacing worn components, this screw is an essential upgrade for serious racers and enthusiasts seeking quick adjustments and dependable performance.
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