8 Ignition Coils& 8 Spark Plugs UF262 4.8L 5.3L for Chevy Cadillac | Fits 2002-2007: Rainier,Escalade,Silverado,Suburban,Tahoe,Avalanche,Express,Sierra,Yukon,Savana,Envoy,H2,Ascender.

GUARANTEED FITMENT IGNITION COIL & SPARK PLUG KIT This complete set includes 8 heavy-duty ignition coils and 8 pre-gapped iridium spark plugs, engineered for 4.8L, 5.3L & 6.0L V8 engines (20022007). for Buick Rainier; for Cadillac Escalade/ESV/EXT; for Chevrolet Silverado/Suburban/Tahoe/Avalanche/Express/Monte Carlo; for GMC Sierra/Yukon/Savana/Envoy; for Hummer H2; for Isuzu Ascender. Always verify fitment using the compatibility chart.; OEM-EXACT REPLACEMENT FOR V8 ENGINES Our ignition coils cross-reference to UF262, C1251, D585, 5C1082, E254, E254P, 52-1647, GN10119, IC413, 10457730, 19005218, 8-10457-730-0, and UF-262; iridium spark plugs replace 3186 and NGK/Denso equivalents.

Built strictly to factory dwell time, heat range, and connector specsno check-engine lights, no reflash needed.; WHY REPLACE YOUR IGNITION COILS & PLUGS TOGETHER On V8 engines, under-hood heat often exceeds 300°F, degrading ignition coils and widening plug gaps over time. Replacing both together restores the entire ignition patheliminating misfire codes (P0300P0308), rough idle, hesitation, and cold-start stumbles. It's a complete cure, not a band-aid.; INSTANT PERFORMANCE GAINS & BETTER FUEL ECONOMY Upgrade with reliable coils that hold stable voltage under high loads. Built with silicon steel, German copper, Japanese epoxy, and rubber sleeves to resist cracks, shorts, and failure.

Our iridium plugs feature CNC-machined shells and ceramic insulators for precise spark. Enjoy smoother id