If rubber boots are damaged or torn, spark can leak outside of the boot causing potential misfires
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your pesky OEM ignition coil tiedown studs with these titanium bolts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4476323
Mfg#:
TI-M6X1X40-4RD
In Stock
ON SALE!
SAVE 10%
$45.99
This product was last offered at the strikethrough price on 05-02-2026
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Two heat ranges colder than stock with a surface discharge design
Brand:
ES#:
4017480
Mfg#:
ER10GS
Ships in 4 Business Days
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$37.99
This product was last offered at the strikethrough price on 06-04-2026
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Three heat ranges colder than stock with a non-projected tip
Brand:
ES#:
4017479
Mfg#:
ER08S
In Stock
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 06-04-2026
OE upgrade spark plugs originally found in the Audi RS7. Beru OE# 079905626G / 06K905601M
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 1 heat range colder plugs than OE
Brand:
ES#:
3183966
Mfg#:
079905626GKT2
In Stock
$134.68
This product was last offered at the strikethrough price on 02-14-2026
Features ECS Upgraded Ignition Coils and Brisk Silver Racing ER12s plugs, ensuring a stronger and more consistent spark!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4686055
Mfg#:
002540LCA05KT
In Stock
ON SALE!
$367.99
This product was last offered at the strikethrough price on 05-02-2026
Exceeds the performance of factory RS3 coils and provides much higher spark output
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Two heat ranges colder than stock with a surface discharge design
A weak ignition system leaves power on the table and can be the cause of misfires, rough idle, unburned fuel, and more. Service your ignition system with spark plugs, coil packs, distributors, ignition wiring harnesses, and everything else all from the best OEM suppliers and aftermarket brands you know and love.
Lifetime Replacement
