Exhaust Riser Elbow for Center Riser Manifolds on Mercruiser Sterndrives.
3.0 Inch outlet and a 15° down angle. This was used from 1983 thru 1986 on V6 & V8 engines.
Replaces Mercruiser # 98504A3
Osco # 8503A
GLM # 51110
Sierra # 18-1970-1
Mallory # 9-40557
Barr Manifolds and Risers come with a 3-year limited warranty (PDF)!