Accel HP Copper Shorty Spark Plugs (55-57 265 V8 150, 210, Bel Air, Nomad)

Details Patented Race Proven Spark Plugs In A Shorty Configuration Overall Length Reduced From 3/16 In To 3/8 In Designed To Gain Critical Air Gap Between Spark Plug Boot And Exhaust Manifold Or Header Tube Helps Eliminate Burning The Spark Plug Boot Or Dimpling The Header Tube Shorter Spark Plug Length Makes Installation And Removal Easier In Tight Spaces Copper Core For Better Conductivity Than Platinum And Iridium Delivers A Stronger Spark For High Performance Applications With High Combustion Pressures Copper Core Dissipates Heat Better, Reducing Chance Of Misfire Gapable To Open Or Close For Larger Flame Kernel Or High Boost Applications Machine Rolled Threads For Precise Thread Engagement And Torque Retention C-Cut Ground Electrode Resistor Shorty Plugs 14mm Thread With .375 In Reach Flat/Gasket Seat With Projected Tip 13/16 Inch Hex Size Fits 55-57 265 V8 150, 210, Bel Air, Nomad High Performance Spark Plugs. The Accel HP Copper Shorty Spark Plugs provide a reliable spark source designed specifically for racing and high-performance engines. They improve ignition efficiency by delivering a stronger spark, enhancing combustion in demanding conditions with high compression or boost.Durable Construction And Materials. Built with a copper core, these plugs offer superior conductivity and heat dissipation compared to platinum or iridium types. The machine-rolled threads ensure precise engagement and durability. Each plug features a flat gasket seat with a projected tip and a C-Cut ground electrode for optimal spark exposure.Installation. Installation is straightforward and requires no modifications or drilling. The shortened length allows easier access and quick removal in tight engine compartments, making them user-friendly for both professional mechanics and enthusiasts.Warranty. These spark plugs come with a manufacturers limited 90-day warranty.Application. Specifically designed for use in 1955-1957 Chevrolet models equipped with the 265 V8 engine, including the 150, 210, Bel Air, and Nomad.