OEM 7 Degree Dry Joint Riser
Fits MerCruiser GM V-6 & V-8 engines with center rise outlet exhaust manifold (2002 - 2004) 4 inch (102 mm) O.D.
7 degree down angle (12 degree also available)
Ceramic coated. These Will only work with Dry Joint systems!
Serial numbers (om600000- OW309999)
old part number 864309t01