Genuine Iridium Spark Plug Kit (6-Piece Set) – 41-993 19256067
Premium iridium alloy tip ensures superior conductivity and extended lifespan (up to 4x longer than copper plugs). Precision laser-welded construction guarantees consistent spark performance in extreme conditions. Engineered for Chevy/GMC vans, trucks (Silverado), and pickups with TT-3.4L or 4.3L V6 engines. Reduces misfires and improves fuel efficiency. Direct OEM replacement (part numbers: 41-993, 19256067). Factory-matched heat range and thread specs for seamless installation. Bulk pricing available – wholesale discounts for fleet maintenance or resale. Ships globally with guaranteed lowest-price matching.