Having problems with your 2007 Chevrolet TrailBlazer SS ?
What sprak plug to use for my trailblazer LT 4.2 2007
The plugs I have listed are for a 4,3 six cylinder and are as standard:- NGK PZTR5A-15 and as alternate NGK TR55IX. The gap is 1.5 mm or 0.060".
Repair Help & Product Troubleshooting for 2007 Chevrolet TrailBlazer SS
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