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Exhaust Riser Kits (Gas, Dry Joint, Small Block, Non-EC, 2002 & Newer)
Raises the height of the GM V-6 & V-8 small block (non-EC) engines with dry joint exhaust system to prevent water from entering the engine through the exhaust system. Maximum height of 6 in. (152 mm). For MCM/MIE 8.1L & 8.2L (non-EC) engines see "Exhaust Elbow/Riser Kits (8.1L & 8.2L) Non-Emissions Ctrl" section. For EC engines, see the Emissions Control Riser section. NOTE: For Mercury 4.5L & 6.2L (non-EC) engines see "Exhaust Riser Kits (Gas, Small Block, Emissions Control)" since the 4.5L & 6.2L (non-EC) engines use the same riser kits as the EC engines.
RISER KIT
864929A 3 - 3 in. (76 mm) for standard cooling and dry joint exhaust manifolds. Fits 2004-2016 MCM V-6 & V-8 (305, 350 & 377 cid) non-EC engines (s/n 0W310000 and up); also fits 2002-2016 MIE V-8 (350 & 377 cid) non-EC engines (s/n 0M390000 and up)
Exhaust Spacer 3.0" Standard Cooling for 14 degree elbows
GTIN: 745061564657
WEIGHT: 10.614 kg
Note: Always verify the compatibility of replacement parts with your specific engine model and serial number. For assistance, consult your Mercury Marine dealer or refer to the Mercury Parts Catalog.