For use with ONE (1) HS6 SU 1¾” Carburettor. HS6 SU CARB URETTOR. (enough for 1 Carburettor). TRIUMPH TR7. 2.0 litre 1998cc. It should not be altered / tampered with/used. To date, petrol in the UK has contained up to 5% renewable ethanol (known as E5).
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