Riser Exhaust for Mercruiser GM 4 120 153 GM 6 160 230 before 1983 2.5 in. Outlet BARMC-20-55538
Exhaust Riser for a Mercruiser. It will fit the early model 120 prior to 1983, and the 160 inline 6. It will fit the following manifolds: BARMC-1-63122 & Osco # MO618-55 manifolds. It uses Osco # 5538-G gaskets. This item replaces Mercury Quicksilver #s: 39920, 55538, 55538A2; Barr # MC-20-55538; Sierra # 18-1973; Mallory # 9-40553
Barr Manifolds and Risers come with a 3-year limited warranty (PDF)!
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