Two (2) Fat Shaft Oil Seal for Mercury Racing and High-Performance 2.5 Liter and 3.0 Liter and 3.2 Liter Sportmasters, Torquemasters, and Bravo XR/XZ I/O sterndrives or outdrives with the 1.25" inches (1 1/4" inch) big propeller shaft. 
 
We offer a German-made seal constructed with a Nitrile Rubber (NBR) Lip Material manufactured to meet or exceed OEM standards for resistance to petroleum-based hydraulic and gearcase fluids, a wide range of service temperatures, good resistance to any cleaning hydrocarbon solvents, alkalis, and acids in the water.
 
Includes two (2) Propshaft Seals for Mercury Fat Shaft.
 
Compared to Mercury OEM Part Numbers: 26-815565, 815565 with an MSRP of 
$54.50 for two.