Review on 🔌 ACDelco Professional 9748HH Spark Plug Wire Set: Enhanced Performance and Durability by Matthew Aiono

These are high quality connector wires but don't take Revain's 'THIS WILL FIT YOUR VEHICLE' comment until you've done your homework or you may end up returning them. THIS IS SUITABLE FOR YOUR VEHICLE' tool ignores the difference between ACDelco 9748GG (for coils marked 19005218) and ACDelco 9748HH (for coils marked 12558693) - the latter has a 1-1 1/2" longer cap wire. . Check Before ordering, look at the printing on the spool and if you are not sure where it is, disconnect one of the existing connector wires and measure the length of its wire BETWEEN THE CAPS, if your wire is approximately 5.75" long length, you need the longer HH series, if the length is less than 5 inch, choose the shorter GG series.