Taylor Spiro-Pro Spiral Core 8 mm Spark Plug Wire Set - Red - 90 Degree Plug Boots - HEI Style Terminal - Small Block Chevy 74206 20601Z 2 return springs

2 return springs

Mud Shield

The readout will move up to the highest (true) reading

From there

Taylor Spiro-Pro Spiral Core 8 mm Spark Plug Wire Set - Red - 90 Degree Plug Boots - HEI Style Terminal - Small Block Chevy 74206 20601Z 2 return springsAvailable For Street Or Track Applications Spiro Wound With Stainless Steel Wire Covered With A Conductive Fluorocarbon Material Provides More Fire Power To the Spark Plugs OEM Resistor Core Wires Eliminates Radio Frequency Interference Two Layers Of 100 percent Pure SiliconeTaylor 8mm Spiro Pro Ignition Wire Set 74206 Custom Fit HEI Under Valve Cover Red Available For Street Or Track Applications Spiro Wound With Stainless Steel Wire Covered With A