Center Riser Manifold for big Block GM Engines
Sold Each. 1 per side.
Includes Mounting Kit:
- Manifold Gasket
- Riser Gasket
- Mounting Bolts
Water cooled center discharge exhaust manifold designed for big block GM engines (all years).
Manifold has 3/4" N.P.T. cooling hose connections.
Manifold is made of gray iron.
Innovated first by Pleasure craft Marine, the center pyramidal Exhaust Manifold is now an industry standard. Its unique design allows the hot exhaust gases to naturally flow up the reversible riser where it is then directed to the exhaust outlets. This compact, free breathing design allows for installation at all standard angles without modification and prevents excessive back pressures. Available in high gloss black cast iron, ready to run!
Approximate weight is 45 lbs. each