Moroso Four Hole Spark Plug Wire Loom Kit - Blue - 7-8mm 130917 The 506 seals have a

The 506 seals have a

Adapters Fit 3/8 - 16 Threads

18 in Wide x 1500 ft Long

2006-2006 GMC Yukon XL 1500

Moroso Four Hole Spark Plug Wire Loom Kit - Blue - 7-8mm 130917 The 506 seals have aFour Hole Spark Plug Wire Loom Kits Includes two chrome plated brackets and two 4 hole looms Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis and suspension