Brisk Racing Plugs

Brisk Racing- 2015+ Mustang Ecoboost Spark Plug - One Heat Range Colder Set Of 4

BRISK Silver Racing RR14S Spark Plug 14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, non-projected tip, resistor, fine wire 1.5mm Silver center el., Cut-back ground electrodePopular...

NGK

NGK- Iriduim Spark Plugs 6510 (2011-21 GT/ GT500) Set of 8

**COYOTE/PREDATOR Spark Plugs ONLY** Perfect for nitrous and force inducted engines ( 1 step colder then stock) Iridium tip for a constant stable spark Improves fuel economy and lower...

Brisk Racing Plugs

Brisk Racing- Coyote Spark Plug - Four Heat Ranges Colder

SET OF 8 BRISK Silver Racing RR10S Spark Plug 14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, non-projected tip, resistor, fine wire 1.5mm Silver center el., Cut-back ground electrodePopular...

Brisk Racing Plugs

Brisk Racing- Coyote Spark Plug - Three Heat Ranges Colder

SET OF 8 BRISK Silver Racing RR12S Spark Plug 14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, non-projected tip, resistor, fine wire 1.5mm Silver center el., Cut-back ground electrode Popular...

Brisk Racing Plugs

Brisk Racing- Coyote Spark Plug - One Heat Range Colder

SET OF 8 BRISK Silver Racing RR14S Spark Plug 14mm thread, 25mm reach, 5/8'(16mm) hex, tapered seat, non-projected tip, resistor, fine wire 1.5mm Silver center el., Cut-back ground electrodePopular...

Brisk Racing Plugs

Brisk Racing- Coyote Spark Plug - Stock Heat Range

SET OF 8   BRISK SILVER RACING RR15YS spark plug. 14mm thread, 1"(25mm) reach, 5/8'(16mm) hex, tapered seat, projected tip, resistor, silver center el., cut-back ground el.,Popular application:...