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Good quality and fast delivery

The Firecore LS1 8.5mm Plug Wires for Truck Length Coil Packs (Long) PF3009XP 13" Length are great quality. The spark plug and coil connection ends snap in easily and securely. The car uses a Fueltech 550 and a stereo radio. No electronic interference problems with these wires. Purchased 12/10/22. I had bought a set on 1/18/21 listed with the same description but catalog# was PF3009 then. One of these original wires got damaged by a rodent. This newer set has some differences. Measurements for boot tip to boot tip is old set 15" vs new set 14". Conductor Metal end tip to end metal tip is old set 14" vs new set 13". The new spark plug boot is a different shape and angle also. Old set is 145 degrees vs new set 135 degrees. The old set of spark plug boots were like LS1 boots which should take the LS1 factory metal tube exhaust guards if desired. Not sure for the new style boots. I have a 1975 Trans Am with upward and forward facing wrapped stainless steel turbo 1 3/4" headers. Factory truck coil packs are mounted on each wheel well. Obviously selecting an off the shelf wire set for a custom engine installation is going to be trial and error. In this case, I could make either set work but using 3 wires from the old set (cyl 3,2,& 4) and the rest of the cylinders the new set gave me the best fit.

Great fitment nice quality

Solid service quick delivery and the email when ups slowed it up was greatly appreciated can’t beat motions products or service