Cylinder block exhaust plate gasket 991764 is designed for high-performance Mercury and Mariner 2.5L 2-stroke outboards. This precision-cut gasket ensures a leak-free seal for the exhaust plate, which is critical for maintaining proper backpressure and engine performance. Easy to install with common shop tools during top-end service or rebuilds.
- Fits Mercury/Mariner 105-220hp 2-stroke (2.5L) outboards
- Compatible with Laser, EFI, DFI, Jet, Pro XS, and XR series
- Ensures a high-temperature seal for the exhaust plate
- Produced to meet original equipment manufacturer specifications
- Easy to install with common shop tools
