Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1951-1 Diesel Simply keep a pack of

Simply keep a pack of 9

SPK PLUG SET V6

Pressure pre-set at 14 PSI

For 5/8" shaft

Fits Indmar crank driven pump

Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1951-1 Diesel Simply keep a pack ofMercruiser GM Small Block Exhaust Manifold Sierra 18 1951 1 Starboard 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 Starboard side Heavy duty cast iron Painted black Includes all gaskets, riser studs,