Aston Martin DB4 1958-1963
Aston Martin DB5 1963-1965
Aston Martin DB6 1965-1970
Aston Martin DBS 1967-1972
Austin A40 Cambridge 1954-1957
Austin A90 Westminster 1954-1956
Austin-Healey 100 1953-1956
Austin-Healey 3000 1959-1967
Bentley S1 1955-1959
Bentley S2 1959-1962
Bentley S3 1962-1965
Bentley Continental S1 1955-1959
Bentley Continental S2 1959-1962
Bentley Continental S3 1962-1965
Bristol 405 1954-1958
Bristol 406 1958-1961
Bristol 407 1961-1963
Bristol 408 1963-1966
Daimler Conquest 1953-1958
Daimler Majestic 1958-1962
Daimler 2.5 V8 1962-1969
Ferrari 250 1953-1964
Ferrari 275 1964-1968
Ferrari 330 1963-1968
Ferrari 365 1966-1971
Jaguar XK120 1948-1954
Jaguar XK140 1954-1957
Jaguar XK150 1957-1961
Jaguar Mark 1 1955-1959
Jaguar Mark 2 1959-1967
Jaguar E-Type 1961-1975
Lamborghini 350 GT 1964-1966
Lamborghini 400 GT 1966-1968
Lamborghini Islero 1968-1969
Lancia Aurelia 1950-1958
Lancia Flaminia 1957-1970
Lotus Elite 1957-1963
Lotus Elan 1962-1973
Maserati 3500 GT 1957-1964
Maserati Sebring 1962-1969
Mercedes-Benz 190SL 1955-1963
Mercedes-Benz 300SL 1954-1963
Mercedes-Benz 600 1963-1981
Porsche 356 1948-1965
Porsche 911 1963-1989
Rolls-Royce Silver Cloud 1955-1966
Rolls-Royce Silver Shadow 1965-1980
Triumph TR2 1953-1955
Triumph TR3 1955-1957
Triumph TR4 1961-1965
Triumph TR5 1967-1968
Triumph TR6 1968-1976
Volkswagen Beetle 1950-1970
Volkswagen Karmann Ghia 1955-1974
Volvo P1800 1961-1973
Volvo Amazon 1956-1970

- OEM part number: H17A
- Equivalent part number: N/A (Champion Spark Plug H17A is the original equipment manufacturer part number for this product)

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.