Features: * Fitment: Fits for Mercruiser Alpha 1 Generation 2, Bravo, Blackhawk U-joint bellows. * Direct Replacement: Alternatives for Sierra # 18-9870. Replacement for Mercury / Mercruiser 91-818162. * Function: The drive shaft bellows sleeve installation tool is used to install the aluminum ring into the Alpha 1 Generation 2, Bravo, Blackhawk U-joint bellows. * Material: We created and engineered this kit using top quality steel for professional level reliability and durability. .
eBay