- Aston Martin DB4 1958-1963
- Austin-Healey 100/6 1956-1959
- Austin-Healey 3000 1959-1967
- Bentley S1 1955-1959
- Bentley S2 1959-1962
- Bentley S3 1962-1965
- Jaguar E-Type 3.8 1961-1964
- Jaguar E-Type 4.2 1964-1971
- Jaguar MK II 3.4 1959-1967
- Jaguar MK II 3.8 1959-1967
- Jaguar S-Type 3.4 1963-1968
- Jaguar S-Type 3.8 1963-1968
- Jaguar XJ6 Series I 1968-1973
- Jaguar XJ6 Series II 1973-1979
- Jaguar XJ12 Series I 1972-1973
- Jaguar XJ12 Series II 1973-1979
- Jaguar XJ12 Series III 1979-1992
- Jaguar XJS 5.3 V12 1975-1991
- Jaguar XK120 1948-1954
- Jaguar XK140 1954-1957
- Jaguar XK150 1957-1961
- Lotus Elan 1962-1973
- Lotus Elite 1962-1974
- Lotus Esprit 1976-1987
- Lotus Europa 1966-1975
- MG MGA 1500 1955-1959
- MG MGA 1600 1959-1962
- MG MGA 1600 Mk II 1962-1965
- MG MGA Twin Cam 1958-1960
- MG MGB 1962-1980
- Morgan 4/4 1955-1969
- Morgan Plus 4 1955-1969
- Rolls-Royce Silver Cloud 1955-1966
- Rolls-Royce Silver Shadow 1965-1976
- Triumph GT6 1966-1973
- Triumph Spitfire 1962-1980
- Triumph TR3 1955-1957
- Triumph TR4 1961-1965
- Triumph TR4A 1965-1967
- Triumph TR5 1967-1968
- Triumph TR250 1967-1968
- Triumph TR6 1969-1976
- Triumph TR7 1974-1981

OEM Part Number(s): NGK OZA839-EE3, OZA839EE3, 90830

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.