MSD Spark Plug Wire Set P/N:31243

Custom Spark Plug Wire Set; 8.5mm; Fits Chevy Big Block Engines; HEI Boot; Red;

Custom Spark Plug Wire Set; 8.5mm; Fits Chevy Big Block Engines; HEI Boot; Black;Custom Spark Plug Wire SetEngineered from the inside out, the 8.5 offers everything you have ever wanted in a wire;...

Custom Spark Plug Wire Set; 8.5mm; Custom Fit To OEM Specifications;Custom Spark Plug Wire SetEngineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low...

Custom Spark Plug Wire Set; 8.5mm; Red; Fits Small Block Chevy w/HEI Tower Cap; OEM Cut;