Moroso Ultra Spiral Core 8 mm Spark Plug Wire Set - Sleeved - Black - Straight Plug Boots - HEI Style Terminal - Small Block Mopar HB22411 Valve stem diameter: 3/8"

Valve stem diameter: 3/8"

090" thick aluminum

765 in Spring ID

4 Inch patented multi-disc clutch offers smooth engagement

Moroso Ultra Spiral Core 8 mm Spark Plug Wire Set - Sleeved - Black - Straight Plug Boots - HEI Style Terminal - Small Block Mopar HB22411 Valve stem diameter: 3/8"Who said high quality high performance cant be cost effective? With Moroso Ultra Spark Plug Wires you can have all three. These Made in the USA spark plug wires are equal to or exceed Auto Manufacturers specifications depending on the application, without the dealer prices. Moroso has 50 plus years of experience from supplying spark plug wires to the top teams of NASCAR, NHRA and Auto Manufacturers. Available in subtle black or eye catching red, high