Spark Plug Wire Set Universal 8mm Silicone Spiro Pro 350 ohm/ft Red 74206 transmission-fluid 5 perforated core in a

5 perforated core in a 4" casing

They are available with various RPM stall speed offerings to accommodate any mixture of modifications including higher compression ratios

Does NOT fit 2007 1500 Classic

1-5/8” diameter primary tubes are used for increased exhaust flow increasing performance

Spark Plug Wire Set Universal 8mm Silicone Spiro Pro 350 ohm/ft Red 74206 transmission-fluid 5 perforated core in aOverview: 8mm Spiro Pro custom 8 cyl red Custom Spark Plug Wire Sets are duplicates of your OE wire set. Each wire is cut to length and booted to match your original wires. 8mm Spiro Pro Wire is the top choice of racers and enthusiasts due to its affordable value and overall high performance features. Spiro Pro 8mm or 10. 9mm wires feature 350 ohms per foot with the signature Taylor Cable boot for the street or the track. Features: 350 ohms per foot