Stage 2 Ignition Kit - 2014-2021 GM CARS/TRUCK LT Gen V - SQUARE Coils / Iridium Spark Plugs / 8.5" ORANGE Plug Wires w/Grey Boots SQUARE 2007 GMC SIERRA 2500 CLASSIC

2007 GMC SIERRA 2500 CLASSIC V8 - Round Coil

Insulator Height: 2

2003-2009 GMC C7500 TOPKICK V8 - Square Coil

2003-2006 CHEVROLET AVALANCHE 2500 V8 - Round Coil

Stage 2 Ignition Kit - 2014-2021 GM CARS/TRUCK LT Gen V - SQUARE Coils / Iridium Spark Plugs / 8.5" ORANGE Plug Wires w/Grey Boots SQUARE 2007 GMC SIERRA 2500 CLASSICDragon Fire Performance Stage 2 Ignition Kit, 2014 2021 GM CARS TRUCKS LT Gen V V8 OVERVIEW STREET SERIES SPARK PLUG WIRES Brand: Dragon Fire Performance Assembled: Yes Terminal Ends: LS Coil pack Coil Boot Ends: 45 135 degree Coil Boot Color: Grey Coil Boot Material: Silicone Spark Plug Boot Ends: 90 degree OE GM Style, Metal Heat Shield Not Included Spark Plug Boot Color: Grey Spark Plug Boot Material: Silicone Wire Color: Orange Diameter (mm): 8.