To supply through-tube engine connections, use this 3300/33C Mercury Inboard. KIT (CA27373P). These are generally for engines without a built-in tube. The transom plate, treaded tubes, and link-arm connection to the boat engine are well-provided by this kit. These kits are exclusively designed for cable insertion into the tube from the port side. Seastar Solution is well-known for its remarkable service. Please take note that items with electrical plugs are well-made for use in the US. Because outlets and voltage vary from country to country, this device might need an adapter or converter to be well-used where you are traveling. Before buying, kindly verify compatibility. Key Features: Mercruiser inboard engine connection kit from Seastar It adapts universal 10-32 thread cables in the 3300/33C format for Mercruiser inboard engines. Use with Mercruiser I/O sterndrive engines is not recommended. Each kit attaches one (1) engine to 2 cables (shift and throttle). Specifications: SKU: CA-27373 UPC: 731957085139 Weight: 0.10 LBS Unit Of Measure: EA Manufacturer Part Number (MPN): CA27373P Mercury Inboard Kit (all).