Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1950-1 Heat Exchangers the platinum tip allows for

the platinum tip allows for a quicker and hotter spark

Electric choke

Fits Volvo Penta SP-C1

White in color

Short trim tab provides extra clearance for high rake propellers

Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1950-1 Heat Exchangers the platinum tip allows forMercruiser GM Small Block Exhaust Manifold Sierra 18 1950 1 Port exhaust manifold fits Mercruiser GM 5. 0L & 5. 7L marine engines with end riser. Mercruiser log style exhaust manifold Direct replacement manifold fits Mercruiser GM V8 small block 305 and 350 cu. in. engines from 1977 to 1982 with end riser For Mercruiser 198, 228, 255, 260, and 898 model engines Port side Heavy duty cast iron Painted black Includes all gaskets, riser studs, and drain