Rebuild Kit for a Single HS4 Carburettor — Plain Disc | CRK 121A

Genuine SU Rebuild Kit — Part Number: CRK 121A.

A comprehensive rebuild kit containing: full set of Gaskets and Seals, main Jet, Needle Valve and seat for the Float Bowl, Throttle Spindle, Throttle Disc and Screws, and new Spindle Bushes. Everything needed to fully rebuild the carburettor(s) to original specification.

Suitable for: MGB, Triumph Spitfire, and other HS4 applications (plain throttle disc variant).

Genuine SU manufacture — made in the UK to original specification.