Carburetor / intake manifold insulator spacer with o-ring

Spacer for fitment between carb and intake manifold with larger inlet than the E2 models with 10mm. Opens up greater engine potential. 2 variations available: 18mm for original intake manifolds and 20mm. Factory-fitted to the following Kymco models from 2003 on that feature this spacer: Dink 50 LC, Top Boy 50, Super 9 AC, Yager 50, Grand Dink 50