Brisk Racing Plugs

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...

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...

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...

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:...

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...

Stock heat range plugs for N/A and Bolton cars. SET OF 8  

These plugs are one heat range colder then stock. Good for light nitrous, blower and turbo applications under 550rwhp  SET OF 8  

These plugs are 2 heat ranges colder then stock. Good for mild nitrous, blower and turbo applications under 800rwhp.  SET OF 8  

These plugs are 3 heat ranges colder then stock. Good for mild nitrous, blower and turbo applications over 800rwhp.  SET OF 8

These plugs are the factory heat range and recommend for cars making less then 450rwhp. SET OF 8  

These plugs are for cars making in excess of 450rwhp. These are one to two stages colder then stock. SET OF 8