Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Stock heat range with a projected tip
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#:
4476321
Mfg#:
TI-M6X1X40-4BLK
Ships in 4 Business Days
ON SALE!
SAVE 10%
$45.99
This product was last offered at the strikethrough price on 05-02-2026
High-flow OE-style design for optimal engine cooling performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Replaces the restrictive, failure-prone factory boost pipes and delivers smooth, uninterrupted airflow to increase power and torque
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 One heat range colder than stock with a projected tip
Brand:
ES#:
4017481
Mfg#:
ER12YS
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 06-05-2026
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Stock heat range with a projected tip
Brand:
ES#:
4017483
Mfg#:
ER14YS
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 06-05-2026
Already have water/meth injection? Upgrade your system with the best controller available!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Designed for increased flow and efficiency that are demanded in today's vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4464277
Mfg#:
44-LF049
In Stock
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$20.00
This product was last offered at the strikethrough price on 06-05-2026
Maximum impact protection and leak-free reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
