Darton announces the introduction of a new sleeve kit for the GM world motor, the ECOTEC . The new kit was based on a cooperative effort between Over The Top Performance (OTTP) and Darton. Darton is the recognized leader in sleeve kit technology and provider of sleeves with superior material able to withstand high boost and nitrous applications. Darton pioneered the concept of incorporating "closed deck solutions" for open deck blocks such as many of the import motors and now the ECOTEC . Darton has delivered hundreds of closed deck
"Pro Sleeve Kits" for most of the Honda series engines which are routinely performingin 600-800 horsepower levels with wide open throttle at events like endurance off road racing.