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
07-21-2026
$11.99 USD
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#:
- 4030521
- Mfg#:
-
ER14YS-4KT
$45.99 USD
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
07-21-2026
$11.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your engine running strong
- Brand:
-
- ES#:
- 3098909
- Mfg#:
-
06K905601D
$11.99 USD
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#:
- 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
07-21-2026
$11.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your engine running strong
- Brand:
-
- ES#:
- 5457385
- Mfg#:
-
06K905601MMKT
$76.99 USD
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
07-21-2026
$11.99 USD
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
Free Shipping
on orders $49 and up
Lifetime Replacement
Superfire Racing M series plugs
- Brand:
-
- ES#:
- 3639454
- Mfg#:
-
50003-M35ILKT
$115.99 USD
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
Free Shipping
on orders $49 and up
Lifetime Replacement
