Sierra 18-8555 Exhaust Elbow Mounting Kit

• Exhaust Elbow Mounting Kit
• For 229 and 262 ci V6; 305 and 350 SB V8; 454 big block V8
• Used with riser kit Sierra 18-1908K and 18-1908 spacer; riser 18-1970-1; manifolds 18-1952-1
• Replaces osco 3320-MK-X

For: Mercruiser 229 and 262 ci V6; 305 and 350 SB V8; 454 Big Block V8. Used with: Riser Kit: 18-1908K and 18-1908 Spacer Riser: 18-1970-1 Manifolds: 18-1952-1 Includes (1) 18-2849 & 18-0897 elbow gaskets