- Aston Martin DB2 1950-1953
- Aston Martin DB2/4 1953-1957
- Aston Martin DB Mark III 1957-1959
- Aston Martin DB4 1958-1963
- Aston Martin DB5 1963-1965
- Aston Martin DB6 1965-1971
- Aston Martin DBS 1967-1972
- Austin-Healey 100 1953-1956
- Austin-Healey 100-6 1956-1959
- Austin-Healey 3000 1959-1967
- Bentley S1 1955-1959
- Bentley S2 1959-1962
- Bentley S3 1962-1965
- Bentley T1 1965-1977
- Bentley T2 1977-1980
- Jaguar E-Type 1961-1974
- Jaguar Mark 2 1959-1967
- Jaguar Mark X 1961-1966
- Jaguar XJ6 1968-1973
- Jaguar XJ12 1973-1979
- Jaguar XJS 1975-1996
- Lotus Elite 1958-1963
- Lotus Elan 1962-1973
- Lotus Europa 1966-1975
- Lotus Esprit 1976-2004
- MG MGA 1955-1962
- MG MGB 1962-1980
- MG Midget 1961-1979
- Morgan Plus 4 1953-1969
- Morgan Plus 8 1968-2004
- Rolls-Royce Silver Cloud 1955-1966
- Rolls-Royce Silver Shadow 1965-1980
- Rolls-Royce Silver Spirit 1980-1998
- Triumph TR2 1953-1955
- Triumph TR3 1955-1957
- Triumph TR4 1961-1965
- Triumph TR5 1967-1968
- Triumph TR6 1969-1976
- Triumph Spitfire 1962-1980
- TVR Grantura 1958-1967
- TVR Griffith 1963-1967
- TVR Vixen 1967-1973
- TVR Tuscan 1967-1971
- TVR M Series 1972-1979

- OEM Part Numbers: Y-730U, 2273
- Equivalent: NGK 2273, NGK Y-730U

Standard shipping with tracking via Royal Mail or Evri for heavier parts:
- £4.99 per order for standard 2-day delivery
- £5.99 per order for Next Day delivery

Most orders are shipped the same business day if ordered before 2pm. We ship Monday through Friday.

If we unexpectedly run out of stock we may have to order your part which can take up to 1 week. We will be in touch in the rare circumstance that there is a delay to your shipment.

We want you to be completely happy with your purchase but please do not hesitate to contact us immediately if you have a problem with your order. Please ensure that you consider all the points described on our profile page accessible by clicking our name above the product title.

It is especially important that you take due care to ensure that the part you selected is compatible with your car. If in doubt, we'd prefer that you get in touch via our profile page so we can help you.