NGK 97506 "2 Step Colder" Spark Plug jeep-gladiator-2020--esi5495791 Includes a CNC machined locking

Includes a CNC machined locking tab designed specifically for the factory jack receptacle

90" (228cm) Harness with 1/4" ring terminals on the power and ground wires

Option to upgrade to the even higher output Walbro 525 pumps (F90000285)

BMW Z4 B58 – 490whp with JB4 Map5 and E40

The solution to this problem has finally arrived

NGK 97506 "2 Step Colder" Spark Plug jeep-gladiator-2020--esi5495791 Includes a CNC machined lockingThese NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 engines and are suggested for most turbo BMW engine including the N20, N54, N55, S55, N63, N63TU, S63, and S63TU applications. NOTE: BMW B58 engine uses a different NGK part found here. They are 2 steps colder than stock N54 plugs and suggested for higher boost E85, water meth injection, and or upgraded turbocharger applications across all late model turbo BMW models. We