Brisk Iridium Performance DX10BYIR Spark PlugDX10BYIR Brisk Racing Iridium Performance Spark Plug Brisk SKU DX10BYIR Parameters: Thread Diameter 14mm Thread Reach 19mm 3 4" Hexagon 16mm 5 8" Seat Type Gasket Design Iridium Performance Resistor Yes Projected Yes Heat Range 10 Brisk DX10BYIR Replaces: NGK BKR9EIX NGK R7433 9 NGK R7435 9 Denso IK27 With very long lifespan, the P range Brisk spark plugs are the most modern design to fit modern highly efficient and stressed engines. The Iridium core

3VR14S Brisk Racing Silver Spark Plugs Ford 3V V8 Supercharged / Turbo / Nitrous Engines

Brisk SKU  -  QR15BFXC

14-VW (VOLKSWAGEN) Jetta TSI Hybrid 1

City and highway traffic

2 77kW CJZA 4 11

All Mercedes Benz M157 Engines

Brisk SKU  -  QR08S

Brisk LOR17LGS Replaces:

NGK 4717 PMR9B

NGK MAR9A-J

Brisk SKU  -  HO11LGS-T

2009+ Yamaha R1