This listing is for a GLM Marine exhaust manifold kit for OMC MODEL 800 SERIES - GM 305/350 CID, V8 S.B. (1979-88) with "log-style" manifolds and rear mounted risers. P/N 58410 (GL58410). Kit contains the following parts: 1) 51410 - Starboard Exhaust Manifold - OEM 912441
(1) 51420 - Port Exhaust Manifold - OEM 912442
(2) 51320 - Risers/Elbows - OEM 909863
(2) 31100 - Manifold Gaskets - OEM 27-33395
(2) 33810 - Elbow Gaskets - OEM 351325
(8) 21753 - Screws - OEM 3853397
