This is a Brand-New Tune Up Kit with Ignition Square Coils and Spark Plugs.

Replacement Parts For 2014-2018 Chevrolet Silverado 4.3L
Replacement Parts For 2014-2018 GMC Sierra 1500 4.3L

Kit Includes:

6x Part# UF742 12658183 12699383 Overhead Direct Ignition Square Coils with Boots
6x Part# SP1036 Platinum Spark Plugs
1x Part# AQ1225 Cabin Air Filter
1x Part# TL22500 P2500 Engine Oil Filter
1x Part# PA5314 Engine Air Filter