Brisk Silver Racing GR12YS Spark PlugGR12YS Brisk Racing Silver Spark Plug Brisk SKU GR12YS Parameters: Thread Diameter 14mm Thread Reach 18mm . 708" Hexagon 16mm 5 8" Seat Type Tapered Design Silver Racing Resistor Yes Projected Yes Heat Range 12 Brisk GR12YS Replaces: NGK TR8 Popular Applications: Chevy LSx Ford 4. 6 5. 4 2 Valve and 4 Valve engines Brisk GR12YS Silver Racing Spark plug is designed for forced induction applications and nitrous applications. Brisk GR12YS Silver Racing

Lower Required Supplied Ignition Voltage

ER15YS Brisk Racing Silver Spark Plug

Seat gasket

Brisk SKU  -  LR10SL

Brisk HOR15LGS Replaces:

Denso Iridium IK27

Naturally aspirated or forced induction applications

Racing engines

Surface Discharge firing configuration

Up to 60 000 km or 40 000 miles

BRISK RACING IRIDIUM spark plug "Power Focus" – spark is exactly in the focal point of the reflector that helps direct air fuel mixture during the compression stroke to the center electrode and consequently

Denso RU01-31