Brisk USA RR14BYIR-7 Iridium Performance Racing Spark Plug

The Brisk USA RR14BYIR-7 is a high-performance iridium spark plug featuring advanced Iridium-Yttrium technology designed for modern highly stressed engines. This premium spark plug combines an iridium core center electrode surrounded by a yttrium alloy ground electrode, delivering exceptional performance and extended service life.

Key Features:

• Iridium core center electrode with yttrium alloy ground electrode for maximum durability
• Very low voltage requirement that prolongs ignition coil lifespan
• Optimized for forced induction and turbocharged applications with reinforced insulator
• Fine wire construction for improved ignitability and performance
• Cylindrical insulator tip design achieves fast self-cleaning at low temperatures
• Factory pre-gapped at 0.030 inches for easy installation
• One heat range colder than factory—direct replacement for NGK 6510 and Motorcraft SP-542
• 14mm thread diameter, 25mm (1 inch) reach, tapered seat design
• 16mm (5/8 inch) hexagon wrench size with resistor

Performance Benefits:

• Easier cold starts with reduced chance of misfires
• Enhanced resistance to fouling from oil burning or alternative fuels
• Improved performance during prolonged idling conditions
• Extended service life compared to standard spark plugs

Ideal for performance applications including Ford Mustang Coyote engines, Chevrolet LT1/LT4/LSA platforms, Dodge HEMI engines, and turbocharged vehicles. The RR14BYIR-7 represents the most modern spark plug design for unleaded and alternative fuel vehicles requiring maximum performance and reliability. Sold individually.