Exhaust Riser 15 Degree 3 Inch for Mercruiser 98504A3 BARMC20-98504
3.0" Riser for a Center Riser Manifold on a Mercruiser Sterndrive. It has a 3.0" outlet and a 15° down angle. This was used from 1883 thru 1986 on V6 & V8 engines. It will fit Barr # MC-1-87114, & Barr # MC-1-99746 manifolds. This Riser uses Osco # 8503-GR/ Osco # 8503-GB / Osco # 8503-GO Gaskets
Replaces: Mercury Quicksilver # 98504A3; Barr # MC-20-98504; GLM # 51110, Sierra # 18-1970-1; Mallory # 9-40557
Barr Cast Iron Manifolds and Risers come with a 3-year limited warranty (PDF)!
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