[Improved Seal] With this type of insulator spacer, you won't need any paper gasket. The carb's front o-ring is pressed against the smooth side of the insulator spacer, while the other side with an o-ring creates a tight seal against the smooth side of the manifold or pipe.. [Reliability] Our XL70 carb insulator spacer is crafted with excellent workmanship, ensuring reliability, stability, and long-term use.. Package: 1 set Carburetor Insulator Spacer..
