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 emissions NGK part# LTR7IX-11; NGK stock# 6510 14mm thread... MSRP: Was: Now: $95.92 Choose Options
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 application: 2011 FORD Mustang 5.0 Brisk Silver Racing... MSRP: Was: Now: $87.92 Add to Cart
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 application: 2011 FORD Mustang 5.0 Brisk Silver... MSRP: Was: Now: $87.92 Add to Cart
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 application: 2011 FORD Mustang 5.0 Brisk Silver Racing... MSRP: Was: Now: $87.92 Add to Cart
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: 2011 FORD Mustang 5.0 Brisk... MSRP: Was: Now: $87.92 Add to Cart
