Carburetor insulator Bore diameter:45mm bore Plastic type insulator for Side

Plastic type insulator for Side Draught (draft) carburetors

the rebound side of the spring will react quicker and maintain that tire contact patch

Although any shock absorbers can be matched to these springs

and 50mm type available

This will offer better performance and ride quality

Carburetor insulator Bore diameter:45mm bore Plastic type insulator for SidePlastic type insulator for Side Draught (draft) carburetors. Great for street all the way to high performance engines. These will fit Mikuni PHH, Solex PHH ADDHE, Weber DCO(E), SK OER, Dellorto DHLA. Includes two gaskets. Sold individually. Requires one set per carburetor. 40mm, 45mm, and 50mm type available.