Here is the list of British and European cars compatible with the KLG Spark Plug FE300/4 and Racing hidden electrode:

1. Austin-Healey 100/4 1953-1956
2. Austin-Healey 100/6 1956-1959
3. Austin-Healey 3000 MKI 1959-1961
4. Austin-Healey 3000 MKII 1961-1962
5. Austin-Healey 3000 MKIII 1963-1967
6. Bentley S1 1955-1959
7. Bentley S2 1959-1962
8. Bentley S3 1962-1965
9. Daimler SP250 1959-1964
10. Jaguar E-Type Series 1 1961-1968
11. Jaguar E-Type Series 2 1968-1971
12. Jaguar E-Type Series 3 1971-1975
13. Jaguar MK VII 1950-1956
14. Jaguar MK VIII 1956-1959
15. Jaguar MK IX 1958-1961
16. Jaguar MK X 1961-1970
17. Jaguar XK120 1948-1954
18. Jaguar XK140 1954-1957
19. Jaguar XK150 1957-1961
20. Land Rover Series I 1948-1958
21. Land Rover Series II 1958-1961
22. MG MGA 1955-1962
23. MG MGB 1962-1980
24. Morris Minor 1000 1948-1971
25. Rolls-Royce Silver Cloud 1955-1966
26. Rolls-Royce Silver Shadow 1965-1980
27. Rover P4 1949-1964
28. Rover P5 1958-1973
29. Sunbeam Alpine 1953-1955
30. Sunbeam Talbot 90 1948-1954
31. Triumph GT6 1966-1973
32. Triumph Spitfire MKI 1962-1964
33. Triumph Spitfire MKII 1964-1967
34. Triumph Spitfire MKIII 1967-1970
35. Triumph Spitfire MKIV 1970-1974
36. Triumph TR2 1953-1955
37. Triumph TR3 1955-1957
38. Triumph TR3A 1957-1962
39. Triumph TR4 1961-1965
40. Triumph TR4A 1965-1967
41. Triumph TR5 1967-1968
42. Triumph TR6 1969-1976
43. TVR Grantura 1958-1967
44. TVR Griffith 1964-1967
45. TVR M Series 1972-1979
46. TVR Vixen 1967-1973
47. TVR Tuscan 1967-1971
48. Vauxhall Cresta 1954-1957
49. Vauxhall Velox 1955-1957
50. Wolseley 4/44 1952-1956
51. Wolseley 6/90 1954-1959

Please note that this list is not exhaustive and there may be other models that are compatible with the KLG Spark Plug FE300/4 and Racing hidden electrode. It is always recommended to consult with a mechanic or refer to your car's manual to ensure compatibility before purchasing.

1. OEM Part Number: FE300/4
2. Equivalent Part Number: N/A (if there is no equivalent part number, leave this line blank)

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.