Spark Plug Wire Set - Pro Wire - Spiral Core - 8 mm - Blue - 180 / 135 Degree Plug Boots - HEI Style Terminal - Small Block Chevy - GM B-Body 1972-81 - Kit

Spark Plug Wire Set - Spiral Core - 8.2 mm - Black - Straight / 90 Degree Plug Boots - Socket Style - Cut-To-Fit - V8 - Kit

Spark Plug Wire Set - Firewire - Spiral Core - 8.5 mm - Black - 45 Degree Plug Boot - HEI - V8 - Universal - Kit

Spark Plug Wire Set - Extreme 9000 Ceramic - Spiral Core - 8 mm - Black - Factory Style Ceramic Plug Boots - Universal V8 - Kit

Spark Plug Wire Tubes - Pro Stock Hemi Tubes - Injection Molded - Red - Set of 8

Upgrade your vehicle's performance with the NGK Spark Plug-Stock # 4940. Crafted for racing enthusiasts, this spark plug features a 10 mm thread and 0.749 in reach, ensuring optimal combustion for maximum power output. Designed with a gasket seat for...