Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize.Reference number: 3951,TR55,TR55IX,0242225623,5033,5326,3403,7164.
Vehicle Fitment 1 : GMC C1500 C2500 Suburban C3500 HD C7500 Topkick Canyon Envoy XL XUV K1500 K2500 Suburban K3500 P3500 Yukon XL Sierra Savana 1500 2500 3500 HD Classic
Vehicle Fitment 2 : Chevrolet K3500 K2500 K2500 K1500 C1500 C2500 C3500 C6500 C7500 Suburban HD Kodiak Camaro Caprice Colorado Corvette P30 SS SSR Tahoe Trailblazer Trailblazer EXT Avalanche Suburban Silverado Express 1500 2500 3500 Classic Blazer
Vehicle Fitment 3 : Ford Econoline Excursion Expedition Explorer Mustang Taurus Crown Victoria F-150 F-250 F-350 F-450 F-550 E-150 E-250 E-350 E-450 E-550 Heritage Econoline Club Wagon Super Duty