This CV40 40mm Carburetor Kit is engineered as a direct replacement for Harley-Davidson motorcycles originally equipped with CV40 carburetors. Built to OEM-style specifications, it is compatible with a wide range of Harley models and replaces multiple OE part numbers including 27421-99 and related variants. Complete Kit – What's Included: 1 × CV40 40mm Carburetor (black aluminum top cover) 1 × Choke Cable 2 × Spark Plugs 1 × Fuel Filter 3 × Main Jets (#180 / #185 / #190) 3 × Pilot Jets (#42 / #45 / #48) 2 × Fuel Lines Each carburetor comes pre-jetted with main jet #170 and pilot jet #45, providing stable idle and smooth throttle response right out of the box. Vehicle Compatibility Compatible with Harley-Davidson models using CV40 carburetors, including: Sportster 883 & 1200 (1988–2006) Softail (1988–2017) Dyna / FXR (1988–2016) Touring models (1988–2016) such as Road King and Electra Glide Built for Reliability Constructed with precision-machined components and a durable aluminum top cover, this carburetor improves fuel efficiency, throttle response, and overall ride smoothness. Ideal for restoring performance on older Harley models or completing a clean rebuild. Easy Installation & Peace of Mind Designed for bolt-on installation, no modification required. Simply install and ride. Every kit is backed by a 2-year warranty, ensuring long-term reliability and confidence in your purchase.