HD8 Piston & Suction Chamber Assembly - Short Neck for E-Types | AUC 8063

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Genuine SU HD8 piston and suction chamber assembly — short neck, for E-Type applications. The suction chamber and piston are the core of the SU carburettor's variable-choke mechani sm. The piston rises and falls in response to engine demand, metering fuel via the attached needle. Replace if the piston is scratched, scored, or if there is excessive side play in the assembly. Part Number: AUC 8063 Show more