NGK SILMAR8A9S / 90992 Spark Plug Iridium
NGK SILMAR8A9S / 90992 Spark Plug Iridium
NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers specifications. The vast experience and technology that NGK has ensures that there is no doubt that NGK are the worlds No.1 spark plug.
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Model Compatibility
Model Compatibility
Aston Martin DB5 1963-1965
Aston Martin DB6 1965-1970
Aston Martin DBS 1967-1972
Aston Martin V8 Vantage 1977-1989
Aston Martin V8 Volante 1986-1989
Aston Martin V8 Zagato 1986-1990
Aston Martin V8 1972-1989
Austin-Healey 100 1953-1959
Austin-Healey 100-6 1956-1959
Austin-Healey 3000 1965-1972
Bentley S3 1962-1965
Bentley T1 1965-1977
Bentley T2 1977-1980
Bentley Turbo R 1985-1989
Bentley Turbo RL 1986-1988
Bentley Turbo RT 1997-1998
Bentley Turbo S 1994-1995
Bentley Turbo 1982-1984
Bentley Continental GT 2003-2018
Bentley Continental GTC 2006-2018
Bentley Continental Flying Spur 2005-2018
Bentley Continental Supersports 2009-2018
Bentley Continental GT Speed 2007-2018
Bentley Continental GT V8 2012-2018
Bentley Continental GT V8 S 2014-2018
Bentley Continental GT3-R 2015-2016
Bentley Continental GT V8 S Convertible 2014-2018
Bentley Continental GT Speed Convertible 2009-2018
Bentley Continental GT V8 Convertible 2012-2018
Bentley Continental Supersports Convertible 2009-2018
Bentley Continental Flying Spur Speed 2009-2018
BMW 2002 1968-1976
BMW 3.0 CS 1971-1975
BMW 3.0 CSi 1972-1975
BMW 3.0 CSL 1971-1975
BMW 2002 Turbo 1973-1975
BMW 3.0 Si 1975-1976
BMW 3.0 S 1975-1976
BMW 3.0 L 1975-1976
BMW 3.0 CSiL 1975-1976
Ferrari 250 GTO 1962-1964
Ferrari 250 GT 1953-1964
Ferrari 250 GT California 1958-1962
Ferrari 250 GT SWB 1959-1962
Ferrari 250 GT Lusso 1962-1964
Ferrari 250 GT Cabriolet 1957-1962
Ferrari 250 GT Coupe 1958-1962
Ferrari 250 GT Berlinetta 1956-1962
Ferrari 250 GT Coupe Pinin Farina 1958-1962
Ferrari 250 GT Berlinetta SWB 1960-1962
Ferrari 250 GT Coupe Speciale 1957-1962
Ferrari 250 GT Coupe Zagato 1957-1962
Ferrari 250 GT Coupe Boano 1956-1962
Ferrari 250 GT Coupe Ellena 1957-1962
Ferrari 250 GT Coupe Ellena 1957-1962
Ferrari 250 GT Coupe 2+2 1958-1964
Ferrari 250 GT Coupe Pininfarina 1958-1964
Ferrari 250 GT Coupe Pininfarina 1958-1964
Ferrari 250 GT Berlinetta Lusso 1962-1964
Ferrari 250 GT Coupe Pininfarina 1960-1965
Ferrari 250 GT Coupe Pininfarina 1960-1965
Ferrari 250 GTE 1960-1963
Ferrari 250 GTE 2+2 1960-1963
Ferrari 365 GTB/4 Daytona 1968-1973
Ferrari 365 GTC 1969-1970
Ferrari 365 GTS 1969-1970
Ferrari Dino 206 GT 1967-1969
Ferrari Dino 246 GT 1969-1974
Ferrari Dino 246 GTS 1972-1974
Jaguar E
Brand
Brand
NGK
Part Number
Part Number
1. OEM Part Number: SILMAR8A9S
2. Equivalent Part Number: 90992
Shipping Information
Shipping Information
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.
Returns Policy
Returns Policy
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.