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 |
|---|---|---|---|---|---|---|---|---|
| RR14S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| RR14YS Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| RR14ZS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| RR15BSXC Spark Plug | Premium EVO | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| RR15S Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | no |
| RR15SXC Spark Plug | Premium EVO | 14mm | 25mm-1" | 16mm-5/8" | tapered | Premium EVO | yes | yes |
| RR15YC-1 Spark Plug | BRISK SuperYttrium | 14mm | 25mm-1" | 16mm-5/8" | tapered | Yttrium Alloy Electrode | yes | yes |
| RR15YPP-1 Spark Plug | BRISK Double Platin | 14mm | 25mm-1" | 16mm-5/8" | tapered | Double Platinum | yes | yes |
| RR15YS Spark Plug | Silver Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Silver Racing | yes | yes |
| RR15ZS Spark Plug | Premium Racing | 14mm | 25mm-1" | 16mm-5/8" | tapered | Multi-Spark Racing | yes | yes |
| U17 Spark Plug | BRISK Super | 14mm | 7.8mm | 16mm-5/8" | tapered | Copper Alloy Electrode | no | no |
| XOR10S Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | no |
| XOR12YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
| XOR14YS Spark Plug | Silver Racing | 12mm | 27mm | 14mm | tapered | Silver Racing | yes | yes |
