BSA and Norton motorcycles

and required hardware and o-rings

Designed as a complete charging system with a built-in regulator

This is the proper way to drift the block out without damaging it

Choke knob enrichment / enricher device for S&S Super E

30mm Carb Phenolic Spacer for Triumph BSA Norton #70-7821 Motorcycle Specific_Harley-Davidson Sportster BSA and Norton motorcyclesThese are phenolic spacer insulator blocks, basically hard 1 8" thick spacers for 30mm (928 930 932) Amal carburetors as run on Triumph, BSA and Norton motorcycles. Help keep the heat and vibration from getting to your carbs and gas. Sold individually. OEM #70 7821.