Because they are precisely machined, painted, and pre-assembled, Sierra manifolds help keep engines operating like new. Sierra-18-1931-1 Exhaust Manifold Kit is a replacement component for Volvo Penta engines. Sierra's state-of-the-art facility ensures all manifolds meet or exceed OEM standards. Primed and painted manifolds are durable and protected. Get your Sierra Manifolds, Quality-assured, and engineered to meet today's high horsepower engine demands while withstanding the extreme maritime environment. Key Features: Designed for optimal durability and strength Built with significant consideration for functionality Fully interchangeable with the OEM items they replace Components are immediately ready for installation. CNC machining ensures exact component fit Primed and painted for increased longevity and protection Includes Exhaust Manifold, 18-2949 Exhaust Manifold Gasket, and 18-2971-1 Exhaust Manifold Gasket For Port & Starboard side exhausts It fits Volvo Models: AQ200D, 200F, 225D, 225E, 225F, 255B, 260A, 271A, 280A, 290A, 311A, AQ500, 570: BB225, 225B, 260A, 260AV, 260B, 260C Specifications: Brand: Sea Star Solutions SKU: 18-1931-1 UPC: 808282237431 Weight: 46.91 LBS Unit Of Measure: EA Manufacturer Part Number (MPN): 118-1931-1 Compatibility: Volvo Penta Material: Cast Iron Type: Manifolds Color: Black Exhaust Manifold Gaskets Included: Yes Mounting Hardware Included: Yes For Port & Starboard, Cast Iron. Supplied with mounting package