For Vortex OMC V6/Volvo SX0 (991203), Aft Drive Adapters are splined Aft Adapters for Select Motor Applications. This Vortex OMC V6/Volvo SX0 Aft Drive Adapters (991203) For added durability, the adapter is composed of heat-treated materials. Made of quality impact grade steel with a corrosion-resistant black phosphate finish for long-term use. Other socket reducers are prone to rust and corrosion, but our adapters have a rust-resistant coating. Installation is simple and does not require any additional steps. Works with the XHS II Hub Kits: 200 Outboard motors Evinrude/Johnson V6/V8 (1991-Newer) Sterndrives OMC V6/V8 (1991-Newer) 201 Outboard motors Evinrude/Johnson V6/V8 (1984-1990) Sterndrives OMC V6/V8 (1984-1990) Key Features: The material is given an anti-corrosion treatment. An all-copper tin-plated core considerably improves performance. The wire is made from an anti-aging material. Longevity is increased thanks to the high-quality design and materials used. Specifications: SKU: 991203 UPC: 014984012591 Weight: 1.00 LBS Manufacturer Part Number (MPN): 991203