The Twin Cam 88 engine was used in Harley-Davidson motorcycles from 1999 through 2006.
Harley-Davidson revolutionized their engines with the introduction of the Twin Cam 88 in 1999 and it quickly became a staple for many riders, something that changed the game when it came to power and performance. The new engine gave bikes more torque than ever before so they could accelerate faster than ever. This, along with improved reliability, made it a popular choice for those looking to get their hands on a powerful machine. It also provided riders with smoother rides, better fuel economy and quieter operation compared to earlier models. While there were some issues related to this motor in its early years as is common with any new technology, overall it proved itself extremely reliable and capable of high levels of performance throughout its production run which lasted until 2006.