Exhaust Manifold For a Pleasurecraft Ford based marine engine. It will fit the Ford Small Block 302/351. The Riser that goes with it is Osco # 29001, and it uses manifold mounting kit Osco # 28001-MK. Replaces: PCM # R028001; GLM # 54250; Sierra # 18-1996; Mallory # 9-40800 Osco Manifolds and Risers come with a 3-year limited warranty (PDF)!
Log Style Manifold Assembly. Fits GM V8 283 / 305 / 307 /327 / 350 / 400 cu.in. engines. Includes OSCBW Front Plate for 1/2" pipe fittings and OSCBE End Plate for 2-1/2" threaded, (2) OSCBG End Plate Gaskets, and manifold mounting hardware. Osco Manifolds and Risers come with a 3-year warranty (PDF)!