Brisk USA Brisk Spark Plug 2 Step Colder GR12S
Spark Plug, Silver Racing, 14 mm Thread, 18 mm Reach, Heat Range 12, Tapered Seat, Resistor
Brisk GR12S Replaces
NGK TR8
Popular applications
Chevy LSx / Ford 4.6/5.4 2-Valve and 4-Valve Engines
BRISGR12S
Features
- Ignites effectively even in the presence of fouling, typical failure of standard plugs
- Silver center electrode, superior thermal (heat) and electrical conductivity
- Requires lower voltage
- Minimizes wear on ignition coil, leads, and other components
- 1.5 mm Silver Wire Center Electrode
Applications
- Performance-tuned and racing engines
- Vehicles powered by alternative fuels
- Classic cars with less robust ignition systems or high oil consumption
- High RPM racing engines requiring quick ignition coil activation
- High octane or difficult-to-ignite fuels
- Methanol, ethanol, CNG, LPG, propane, E85 blends, alcohol, LNG, racing fuels, nitromethane, nitrous oxide
- Naturally aspirated or turbocharged setups
- Standard and high-compression engines
| Brand | Brisk |
| Part Number | GR12S |
| Thread Diameter | 14mm |
| Thread Reach | 18mm-.708" |
| Hexagon | 16mm-5/8" |
| Seat Type | Tapered |
| Design | Silver Racing |
| Resistor | Yes |
| Projected | No |
| Heat Range | 12 |