Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
One heat range colder than stock with a projected tip
Brand:
ES#:
4017481
Mfg#:
ER12YS
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 11-07-2026
$11.99 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Stock heat range with a projected tip
Brand:
ES#:
4030521
Mfg#:
ER14YS-4KT
$45.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Stock heat range with a projected tip
Brand:
ES#:
4017483
Mfg#:
ER14YS
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 11-07-2026
$11.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Designed to be a direct plug-and-play upgrade to factory spark plugs and coils, providing greater energy output, ensuring a stronger and more consistent spark!
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Brand:
ES#:
5504707
Mfg#:
KT100025
$339.99 USD
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Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Stock heat range with a non-projected tip
Brand:
ES#:
4017482
Mfg#:
ER14S
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 11-07-2026
$11.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Stock heat range with a non-projected tip
Brand:
ES#:
4030522
Mfg#:
ER14S-4KT
$45.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Superfire Racing M series plug
Brand:
ES#:
3098932
Mfg#:
50003-M35IL
$28.99
This product was last offered at the strikethrough price on 11-04-2026
$27.00 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Superfire Racing M series plugs
Brand:
ES#:
3639454
Mfg#:
50003-M35ILKT
$115.99
This product was last offered at the strikethrough price on 11-04-2026
$108.00 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Features a platinum center electrode which allows for an extended replacement interval
Stock heat range with a projected tip
Brand:
ES#:
4017478
Mfg#:
EEX14YP
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 11-07-2026
$11.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Features a platinum center electrode which allows for an extended replacement interval
Stock heat range with a projected tip
Brand:
ES#:
4030520
Mfg#:
EEX14YP-4KT
$45.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
This complete ignition kit replaces worn coils and spark plugs to eliminate misfires on VW and Audi EA888 Gen3 engines.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5516505
Mfg#:
06K905601MMMKT
ON SALE!
$328.99
This product was last offered at the strikethrough price on 10-28-2026
$311.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Partial Replacement