Black; Stock; 9.5 in.; 180 Deg. Plug Boot
Original Equipment Replacement Part / Complete Ignition Wire Set - 7mm
Original Equipment Replacement Part / Complete Ignition Wire Set - 7mm
8.5mm High Performance Wire
Blue; Stock; 9.5 in.; OE Spark Plug Boot
Red; Stock; 9.5 in.; OE Spark Plug Boot
Black; Stock; 9.5 in.; OE Spark Plug Boot
Black
Red
0 Ohm Resistance; Silicone Boots; 8 mm. Jacket; Fiberglass-Reinforced Braid
0 Ohm Resistance; Silicone Boots; 8 mm. Jacket; Fiberglass-Reinforced Braid
Red; Stock; 9.5 in.; OE Spark Plug Boot
Blue; Stock; 9.5 in.; OE Spark Plug Boot
Spiro-Wound; LS Universal; OE Plug Boot; 409 Stainless Steel; Black
Blue
Red
8.5mm; Black; LS1 Conversion; OEM Cut
8.5mm; Red; LS1 Conversion; OEM Cut
Browse our selection of quality spark plug wire set parts designed specifically for your Chevrolet Trailblazer EXT. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
B · Base · LS · LT · North Face
Sport Utility
L6 4.2L · V8 5.3L
Automatic