Set of 8 ROUND STYLE Ignition Coils for V8 GM Trucks & SUVs 1999-2006 (& 2007 Classic body style) !!!!****IMPORTANT *MANDATORY* FITMENT INFORMATION!!!**** THESE ARE THE ROUND STYLE**!!! "19005218" stamped on each coil. These year GM vehicles use 2 different types. SQUARE and ROUND. These are the ROUND style. If you need Square style, see Amazon ASIN# B018RWNT46 Lifetime Warranty Free 2.5g packet of silicone dielectric grease FREE SHIPPING! Araparts BRAND