1. Chevy Truck Forum

    Welcome To GMTruckClub.com!

    The #1 Chevy Truck Forum Online

    Online since 2004, we're the #1 Chevy Truck & SUV user community. If you have any questions about your Chevy or GMC Truck, SUV or Crossover, or just want to connect with other GM owners and enthusiasts around the world, you've found the best place on the internet to do that.

    Join Today ~ It's Free

    Registering is Free and Easy! Do it today and we'll see you on the forums soon!

spark plug thread number 789

Discussion in 'Performance & Fuel' started by KaztheMinotaur, Apr 13, 2010.

  1. KaztheMinotaur

    KaztheMinotaur New Member

    99 NBS w/ 4.8L

    I know that AC Delco plugs are preferred and that the Iridium are the prefered AC Delco plugs. The ones I got say Rapid Fire Platinum, part number 12, and also have 19238463. They are the first AC Delco option on Rock Auto.

    How are they?
     

Share This Page