Check out what one of our own had to say in a recent article put out by PRI over ignition systems.
Spark Plug Assortment
Brisk Spark Plug Assortment
| Part Number | Type | Thread | Reach | Hexagon |
Seat |
Design | Resistor | Projected |
|---|---|---|---|---|---|---|---|---|
| HOR17YTE-1 Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| RR15BSXC Spark Plug | Premium EVO | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GR12YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Center Electrode | yes | yes |
| RR12S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| G08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | no |
| HR17YTE Spark Plug | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| GOR15LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| RR14S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| G12S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | no |
| HOR17YTE-3 | BRISK Yttrium Perf. | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | YTE | yes | yes |
| XOR10S Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | no |
| GO11LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | no | no |
| RR14YS Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| GR12S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR14BSXC | Premium EVO | 14mm | 19mm-3/4" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GO15IR Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Racing | no | semi |
| P5 RR15YIR-1 Spark Plug | Iridium Yttrium | 14mm | 25mm-1" | 16mm-5/8" | tapered | Iridium Performance | yes | yes |
| RR15YS Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| ROR14LGS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GR12ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| G15YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| P6 GR15YIR-12 Spark Plug | Iridium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Iridium Performance | yes | yes |
| RR14ZS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| ROR15LGS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GR14S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| GR14SXC | Premium EVO | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| GOR17LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| U17 Spark Plug | BRISK Super | 14mm | 7.8mm | 16mm-5/8" | tapered | Copper Alloy Electrode | no | no |
| RR15ZS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| 3VR17C Spark Plug | BRISK Super | HT 16mm | 22mm | 14.3mm-9/16" | tapered | Copper Alloy Electrode | yes | yes |
| RR15YC-1 Spark Plug | BRISK SuperYttrium | 14mm | 25mm-1" | 16mm-5/8" | tapered | Yttrium Alloy Electrode | yes | yes |
| G4YS Spark Plug | Nology | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| GR10S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| G17YC Spark Plug | BRISK Super | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Copper Alloy Electrode | no | yes |
| RR15YPP-1 Spark Plug | BRISK Double Platin | 14mm | 25mm-1" | 16mm-5/8" | tapered | Double Platinum | yes | yes |
| G14YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | no | yes |
| GR14ZC Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| H08S Spark Plug | Silver Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Silver Racing | no | no |
| GR14YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| GOR14LGS Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| FR15C Spark Plug | BRISK Super | 18mm | 11.6mm- .460" | 21mm-13/16" | tapered | Copper Alloy Electrode | yes | no |
| GR15YS Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| HOR11LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | yes | no |
| ROR12LGS-T Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| GOR14LGS-T Spark Plug | Premium Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Premium LGS | yes | yes |
| FR17YC Spark Plug | BRISK Super | 18mm | 11.6mm- .460" | 21mm-13/16" | tapered | Copper Alloy Electrode | yes | yes |
| GR08S Spark Plug | Silver Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| HO12LGS Spark Plug | Premium Racing | 14mm | 12.7mm-1/2" | 16mm-5/8" | tapered | Premium LGS | no | yes |
| XOR12YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| GOR14DC Spark Plug | Turbo Racing | 14mm | 18mm- .708" | 16mm-5/8" | tapered | Turbo Racing | yes | yes |
