Darton Sea-Doo 1503 & 2017~23 1630 Pro-Series Cylinder Sleeves

Darton has engineered a superior patented (patent #6,799,541) solution by using a unique designed cylinder sleeve that, when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what we call Modular Integrated Deck (MID). Innovative Flat-Lock flange design locks sleeves in place reinforcing block and protecting head gasket.

Key Features:

• Integrated Flat-Lock flange design protects block.
• Bulletproof Darton ductile steel construction.
• Increased horsepower potential.
• Ideal for high boost supercharged & turbo applications.
• Superior ring sealing.
• Can be installed by your local machine shop.
• Sold as a set of 3 matching sleeves.

NOTE: Requires special tools and fixtures. Only a qualified machine shop or engine builder should perform the installation.