GM Small Block Exhaust Manifold Mounting Kit | Sierra 18-8502 Analog Meters For Holley carburetors with side

For Holley carburetors with side hung float

NAUTICAL SPECIALTIES Back up Seal for Dry Seal EX-134

339-7452A15

Application is simple

ISO 8846 Marine - ignition protection

GM Small Block Exhaust Manifold Mounting Kit | Sierra 18-8502 Analog Meters For Holley carburetors with sideGM Small Block Exhaust Manifold Mounting Kit Sierra 18 8502 Includes exhaust manifold to head gasket & mounting hardware for OMC GM 5. 0L & 5. 7L marine engines from 1979 1989. OMC exhaust manifold mounting kit For OMC GM 305 and 350 CID marine engines from 1979 1989 Used with Sierra 18 1931 1, 18 1902, 18 1903, and 18 1986 1 manifolds Includes exhaust manifold to head gasket, six manifold mounting studs, washers, and nyloc nuts Replaces Osco 244 MK