This listing is for a BRAND NEW starboard side "log-style" exhaust manifold for OMC MODEL 800 SERIES - GM 305/350 CID, V8 S.B. (1979-88). P/N 51410 (GL51410). This manifold features a FULL manufacturer's 3-year warranty. We also have the port side manifold, exhaust elbows (risers), and a conversion kit to convert the log-style manifolds to center rise manifolds listed on eBay.