HS6 Piston & Suction Chamber Assembly — Side Keyway | AUD 9998

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Genuine SU HS6 piston and suction chamber assembly. The suction chamber and piston are the core of the SU carburettor's variable-choke mechanism. The piston rises and falls in resp onse 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: AUD 9998 Show more