ACDelco Professional 9748HH Spark Plug Wire Set 8 count Pack of 1

Great Product Read more

worked perfect for my 2002 Silverado 2500 HD 6.0 Read more

I USE THESE ON ALL MY LS SWAPS AND FACTORY INSTALLED LS ENGINES. FITS 4.8 , 5.3 , 5.7, AND 6.0 Read more

I recently purchased a 2004 Tahoe Z71 and figured it could use some new wires with all the miles the previous owner racked up. I also purchased these since many other stated that once they took off the original wires, that many of them broke so I wanted to be cautious. The wires had been replaced as they were not stock and some cheap aftermarket brand. These ACDelco wires not only fit better but looked nice and OEM. So far they have performed great and I seem to have a slightly nicer idle, of course the MUCH needed new plugs (another review) I'm sure helped out tremendously. I don't see the need for purchasing anything other than the stock wires and these preform very well and the cost is much less than the "higher quality" aftermarket ones. I highly recommend these stock wires. Don't forget to use dielectric grease on the ends that go onto the spark plugs! I bought a much bigger tube than needed, oh well. Just get some small grease packs at your local parts store and use a q-tip to swab it around the inside of the boots before installing. Oh, and the worst boots to get off are of course the back two, the passenger one taking the longest. TIP: where gloves to protect from the heat shield, securely grab with hand\fingers and twist back and forth while pulling.... Read more

Great plug wires for my swap. These are acdelco and good quality. Highly recommend these. Read more

Great quality, but we're two inches too sort for my truck. Read more

Buen precio Read more

Replacement wire's seemed to short. Spark plug wire's too long on 5.3 just purchased Avalanche 1500 Z71. Seller's item is correct replacement. Read more