The QDJUNE Pro Carb Rebuild Kit Mixture Screw is the ideal solution for maintaining and enhancing the performance of your motorcycle. Compatible with Harley Big Twin (1990-1999), Twin Cam (1999-2006), and Sportster XL 883 1200 (1988-2006), this kit serves as a perfect standard replacement, ensuring seamless compatibility and optimal performance.

This kit allows for quick and effortless idle mixture adjustments without the need for tools, making carburetor tuning simple and efficient. The complete package includes 2 mixture screw, 2 special spring, 2 O-ring, and 2 washer, providing all the necessary components for a thorough carburetor rebuild.

Precision adjustment capabilities help reduce emissions and minimize off-idle spit, enhancing overall engine efficiency. The precision tip shape ensures maximum efficiency and reliable carburetor tuning. Made from premium aluminum material, this mixture screw is solid and wear-resistant, ensuring durability and long-lasting use.

Installation is straightforward and requires the removal of the factory-installed Welsh plug. The screw is designed with knurled threaded heads for easy handling, making the installation process hassle-free.