Superfire Racing M series plugs
Superfire Racing M series plugs
Install new hardware with your new parts. M4x12mm
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
08-21-2026
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
08-21-2026
Shut down quickly & remotely - required by many racing organizations
The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Shut down quickly & remotely - required by many racing organizations
Measures the pressure in the turbocharger system (small design MAP sensor)
Stainless steel weld-in nut for any O2 sensor
Measures the pressure in the turbocharger system (small design MAP sensor)
This product was last offered at the strikethrough price on
05-07-2026
Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
This product was last offered at the strikethrough price on
05-07-2026
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
08-21-2026
Quickly shut down your battery in an emergency.
Measures the pressure in the turbocharger system (small design MAP sensor)
This product was last offered at the strikethrough price on
07-23-2026
You never know when you will blow a fuse so it always good to have extra
Controls fuel supply of in-tank pump to engine