Quicksilver 8M0124066 6-Inch Exhaust Riser Spacer Block

The Quicksilver 8M0124066 is a genuine OEM 6-inch exhaust riser spacer block designed specifically for MerCruiser 496 Magnum and 8.1L engines. This critical exhaust component provides the necessary vertical extension between the exhaust manifold and riser assembly, ensuring proper exhaust routing and optimal engine performance.

Key Features:

• Genuine Mercury Marine/Quicksilver OEM part for guaranteed fitment and quality
• 6-inch height provides optimal spacing for MerCruiser 496 and 8.1L applications
• Replaces obsolete part number 866768T
• Precision-engineered to meet Mercury Marine specifications
• Essential component for proper exhaust system configuration

This spacer block is a direct replacement part that ensures your MerCruiser exhaust system maintains proper clearances and operates efficiently. Designed for durability in the demanding marine environment, this component is backed by Mercury Marine's commitment to quality and performance.