Spark Plugs

Flexolite supply an extensive range of over 110 Champion and NGK spark plugs that cover over 2000 vintage and classic vehicle model applications from over 130 vehicle marques. Our application database presents a choice of Champion or NGK plugs where available for your vehicle as well as advising the recommended plug gap for each make of plug. The data was assembled from Champion and NGK texts of the period, so be sure to check any recommendation made below against vehicle manufacturers' information and inspection of previously fitted plugs. Please search by vehicle details, Champion or NGK part number or by Vehicle Make and Model/Year.

Where direct equivalent products are no longer available for some older plugs and applications, Flexolite list the modern equivalent and note whether the available plug may require an 18mm to 14mm thread insert for example. We have also recorded original Champion plug numbers against selected applications and relevant later plug numbers, to aid identification of a suitable alternative when part numbers have been superseded. Further information on Champion and NGK's part numbering systems, plug selection, cross reference, heat ranges and spark plug condition - please open the HELP & INSTRUCTIONS section below.

Spark Plug Information

Information for Champion and NGK plugs including cross references for other manufacturers.

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SPC 25 - Champion Spark Plug 25

From £18.50 (£22.20 inc. VAT @ 20%)

High Quality Champion 1/2 pipe thread Spark Plug with 25mm reach, tapered seat and copper core.

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC C57YC - Champion Spark Plug C57YC

From £9.26 (£11.11 inc. VAT @ 20%)

High Quality Champion 14mm Spark Plug with 19mm reach.

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC C59R - Champion Spark Plug C59R

From £17.62 (£21.14 inc. VAT @ 20%)

High Quality Champion 14mm Racing Spark Plug with 19mm reach and recessed single electrode.

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC D16 - Champion Spark Plug D16 (CA1028A)

From £7.96 (£9.55 inc. VAT @ 20%)

High Quality Champion 18mm Spark Plug with 12.7mm reach. Vintage Supplies/Complete Automobilst part number CA1028A

Comparable to other manufacturer part numbers - CA1028A

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC D23 - Champion Spark Plug D23

From £10.40 (£12.48 inc. VAT @ 20%)

High Quality Champion 18mm Spark Plug with 12.7mm reach.

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC D6 - Champion Spark Plug D6

From £5.75 (£6.90 inc. VAT @ 20%)

High Quality Champion 18mm Spark Plug with 12.7mm reach.

Flexolite - Spark Plugs and Accessories - Spark Plugs
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SPC D9 - Champion Spark Plug D9

From £4.42 (£5.30 inc. VAT @ 20%)

High Quality Champion 18mm Spark Plug with 12.7mm reach.

Flexolite - Spark Plugs and Accessories - Spark Plugs