HS4 Repair Kit with Metering Needle | RPK2594 | SU Specialists
Needle Specification
Please add your needle code into the notes field below. Unsure which needle you need? Contact us and we'll advise.
Not sure which needle you need? View our needle guide →
A repair kit for a pair of SU HS4 Carburettors. Including Jets, Needle Valves, Gaskets, Seals & Needles of your choice. Made in the UK to original SU specification. Please add your needle code into the notes field when ordering.
Part Number: RPK2594
Fits these vehicles
Taken from the SU application listings. Check the spec number stamped on the tag under one of your carburettor top-cover screws to confirm.
| Vehicle | Engine | Years | Carbs | SU spec no. |
|---|---|---|---|---|
| Innocenti Regent 1500 | 1498cc | 1974 | Twin HS4 | AUD 633 |
| MGB (A) | 1798cc | 1962–63, 1966–67, 1967–68, 1969–71 | Twin HS4 | AUD 52, AUD 135, AUD 278, AUD 325 |
| MGB MK II USA | 1798cc | 1968–69, 1970–71, 1971, 1972 | Twin HS4 | AUD 326, AUD 405, AUD 465, AUD 492 |
| MGB USA | 1798cc | 1968 | Twin HS4 | AUD 265 |
| Mini conversion: Cooper twin carb & manifold set | – | – | Twin HS4 | FZX 3054 |
| Mini conversion: Cooper twin carb conversion set | – | – | Twin HS4 | FZX 3050 |
| Morris Marina 1.8 Litre TC | 1798cc | 1971–72, 1976–79 | Twin HS4 | AUD 445, FZX 1203 |
| Morris Marina 1.8 TC Auto | 1798cc | 1971–72, 1976–79 | Twin HS4 | AUD 464, FZX 1283 |
| Morris Marina 1.8 TC E.C.E | 1798cc | 1972–74 | Twin HS4 | AUD 543 |
| Reliant Sabre - Ford Zephyr | 1703cc | 1963–64 | Twin HS4 | AUD 118 |
One kit covers the full set of two carburettors.
Matching kits for these applications
Rebuild kits: MRK2254, CRK 246
Gasket pack: AUE 964
Can't see your car, or not sure? Contact us with the spec number from your carburettor tag and we'll confirm the right kit.