Moroso Blue Max Spiral Core Universal Ignition Wire Set - 8 Cylinder Engines - Plug Terminals/Boots: Straight; Dist - Terminals/Boots: HEI & Non-HEI; Wire Color: Blue 356906 T-nuts have slot built in

T-nuts have slot built in to keep them from turning

The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest

Earl's #4 to 10mm x 1

This exhaust gasket features round port shape

Moroso Blue Max Spiral Core Universal Ignition Wire Set - 8 Cylinder Engines - Plug Terminals/Boots: Straight; Dist - Terminals/Boots: HEI & Non-HEI; Wire Color: Blue 356906 T-nuts have slot built in8mm Blue Max For custom applications, Blue Max Spiral Core Universal Fit Sets are the way to go. Available in 8mm or our extra thick 11mm diameter, these sets are terminated at the plug end only and include enough wire length and terminals to fit HEI or Non HEI distributors. a coil wire is also included. There's even a wire stripping tool to simplify the termination. and like all Moroso Blue Max wires, each is individually tested for unsurpassed