Superfire Racing M series plug
Superfire Racing M series plug
Superfire Racing M series plugs
Detects engine ping and changes timing accordingly
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
08-26-2026
Located on the side of the intake manifold
25mm wide & 5m in length
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-05-2026
Located in the cylinder head
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Three heat ranges colder than stock with a non-projected tip
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-08-2026
Valve that controls cam adjustment
One half of the battery surround
This product was last offered at the strikethrough price on
05-02-2026
Regular maintenance item
The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Shut down quickly & remotely - required by many racing organizations
Used for ECS 2.0T boost taps
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Controls fuel pump pressure from the tank
Stainless steel weld-in nut for any O2 sensor
Secures the battery to the tray
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-30-2026