Phenolic Carburetor Insulator Spacers (1) - Choose Size Bore Size - Thickness - Application:30MM (.125") - Universal Our drums accept the stock

Our drums accept the stock brake shoes (not included)

Fits BSA Pre-Unit Unit Twins (A65

Features the correct speedo drive slots to allow this part to be installed and properly tightened as OEM

All Premier carbs come fitted with a "RJ17" pilot jet

H2291 & 97-2291

Phenolic Carburetor Insulator Spacers (1) - Choose Size Bore Size - Thickness - Application:30MM (.125") - Universal Our drums accept the stockKeep your carburetor running cool by using a phenolic carburetor spacer. There are many types of spacers on the market today and I prefer to use these why? they are gas proof (will not fall apart like paper gaskets) and they are manufactured from a harder material which will not warp your carburetor. Phenolic spacers also block heat transfer better than any other spacer. Spacers will work with all Amal Monobloc and Concentric carburetors. Use the drop