Jims 5-Speed Shifter Upgrade Kit For Harley Big Twin This kit enhances early-model 5-speed Big Twin motorcycles with advanced technology. It is designed to improve overall performance and reliability, offering a significant upgrade for riders seeking to optimize their machine's capabilities. Features: Includes newly designed shift drum and lever assembly with built-in anti-overshift, late-model pillow blocks, case shifter shaft sleeve bushing, hardware and instructions Made in the USA