Title: Total crap
Product review: Did a tune-up on my 2000 silverado 5.3l. Bought new E3 plugs and accel 9000 wires(not cheap). Had emission problems and missing. Repair shop said it was the plugs and wires. The Accel 9000 wires with the e3 plugs were causing the problem. 400+ dollars later with the proper plugs and quality wires, it runs perfectly. Don't buy this garbage.
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