Brisk Premium Racing Spark Plug - 12 mm Thread - 26.1 mm R - Heat Range 12 - Gasket Seat - Resistor MR12ZS AA0714AH2U57 Since many Chrysler enthusiasts use

Since many Chrysler enthusiasts use the B1 head or aftermarket valve cov┬ ¼Î“ëáers

Multi-Port Injection

can be built to any width and includes mounting sleeves that can be welded to the chassis

Reduces Shift Throw by 18% over Stock

Provides continued high pump output

Brisk Premium Racing Spark Plug - 12 mm Thread - 26.1 mm R - Heat Range 12 - Gasket Seat - Resistor MR12ZS AA0714AH2U57 Since many Chrysler enthusiasts useProduct Description: Spark Plug Premium Racing 12 mm Thread 26. 1 mm Reach Heat Range 12 Gasket Seat Resistor Sold Individually Since its founding in 1935, Brisk has been a leading innovator and producer of spark plugs. Serving both the OEM and the aftermarket and racing industries, Brisk offers a wide range of spark plugs for a variety of applications, including iridium, platinum, and yttrium. Brisk's silver center electrode technology makes them the