OMC/Volvo marine exhaust manifolds

We carry all gaskets in stock. 3-year warranty on all Osco & Barr manifolds & risers. Click the images to enlarge.
Click to enlarge Part # Specs Price
Exhaust manifold. Fits 2.3 and 2.5 liter Volvo 4 cylinder. Exact replacement for Volvo #s 855387-7 and 834438-4. Osco has improved the original design of the VO418 to allow additional cooling water to flow through the top of the manifold. VO418 Exhaust manifold. Fits 2.3 and 2.5 liter Volvo 4 cylinder. Exact replacement for Volvo #s 855387-7 and 834438-4. Osco has improved the original design of the VO418 to allow additional cooling water to flow through the top of the manifold. $289.00
Exhaust manifold. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for Volvo#s 835804, 835805, 835806 and 856883. 5805 Exhaust manifold. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for Volvo#s 835804, 835805, 835806 and 856883. $219.00
Exhaust riser. Exact replacement for Volvo #s 855380, 855384, 856891 and 856879. All gaskets available for above. 56879 Exhaust riser. Exact replacement for Volvo #s 855380, 855384, 856891 and 856879. All gaskets available for above. $109.00
Exhaust manifold, starboard. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for OMC #s 909280 and 912441. 2441 Exhaust manifold, starboard. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for OMC #s 909280 and 912441. $199.00
Exhaust manifold, Port. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for OMC #s 910144, 909279 and 912442. 2442 Exhaust manifold, Port. Fits 305-350 cu.in. GM small block V8 engines. Exact replacement for OMC #s 910144, 909279 and 912442. $199.00
Exhaust riser. Exact replacement for OMC #s 909218, 982680 and 909863. 9863 Exhaust riser. Exact replacement for OMC #s 909218, 982680 and 909863. $157.00
Exhaust manifold. Fits 305-350 cu.in. GM small block v8 engines. Exact replacement for OMC #s 914035, 3852374 and Volvo part #3852374-2. 52374 Exhaust manifold. Fits 305-350 cu.in. GM small block v8 engines. Exact replacement for OMC #s 914035, 3852374 and Volvo part #3852374-2. $219.00
Exhaust riser. Exact replacement for OMC #s 913784, 3855270, 3850456 and VOLVO #3855270-9. 50456 Exhaust riser. Exact replacement for OMC #s 913784, 3855270, 3850456 and VOLVO #3855270-9. $159.00