BOSCH 9653 OE Fine Wire Double Iridium Spark Plug Pack of 4

Bosch Double Iridium Spark Plugs feature both an iridium firing pin and an iridium ground electrode inlay that offer higher performance and 4X longer life compared to standard copper spark plugs 360degree laser welded ultrafine wire iridium firing pin provides better ignitability reducing voltage requirements up to 24 and enhanced durability Nickelplated rolled threads provide superior resistance to corrosion and do not require antiseize making installation quick and easy Bosch Double Iridium spark plugs are pregapped at the factory and ready to install right out of the box gap adjustment prior to installation not required Meets or exceeds manufacturer design requirements for OE fit form and function for modern gasoline engines including Gasoline Direct Injection GDI engines Compatible with select vehicles including but not limited to the following Note engine affects fitment verify fitment details with amazon confirmed fit fit checker above BUICK 89919401 Century 88919495 LeSabre 919495 Park Avenue Compatible with continued BUICK 90919496 Regal 889195 Riviera CADILLAC 8793 Allante 8495 DeVille 8494 Eldorado 8492 Fleetwood 8494 Seville CHEVROLET 9700 C2500 99 C2500 Suburban 9700 C3500 9802 C3500HD 0304 Cavalier Compatible with continued CHEVROLET 9296 Corvette 9900 Express 3500 0001 Impala 9900 K2500 9900 K3500 9501 Lumina 9701 Malibu 9501 Monte Carlo 9599 Silverado 00021113 Suburban 1500 0408 Tracker 9701 Venture Compatible with continued GMC 9700 C2500 9700 C35003500HD 9900 K25003500 9699 P3500 9900 Savana 3500 OLDSMOBILE 9495 88 88919495 98 9498 Achieva 9901 Alero 9499 Cutlass 89919496 Cutlass Ciera Compatible with continued OLDSMOBILE 899194 Cutlass Cruiser 9497 Cutlass Supreme 9401 Silhouette 8891 Toronado PONTIAC 88929495 Bonneville 809697 Firebird 9401 Grand Am 9401 Grand Prix 9901 Montana 9499 Trans Sport