Dinan's performance spark plug for N20, N5X, N63, S55, & S63 engines!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! 2-Steps Colder than OE plugs - For tuned, high boost, and/or upgraded turbo applications only
Brand:
ES#:
4906402
Mfg#:
D640-0002
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.
$23.99
This product was last offered at the strikethrough price on 07-19-2026
The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP.
10X Entries For Our 25th Anniversary Sweepstakes!
Keep your motor running smoothly, and avoid misfires with new spark plugs
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Modern high-tech ignitions are complex, computer-controlled systems that deliver spark to the cylinders with amazing efficiency and split-second timing, but they don't last forever. That's why ECS Tuning stocks ignition modules, ignition coils, ignition wiring, and spark plugs. Look to us for OEM and aftermarket ignition parts to keep your engine running strong.