Power Driven 12v Cummins Injector Sets Details: USA Made Upgraded DLC Coated Needle Set of 6 injectors Fits 1989 thru 1998 Cummins Includes injector installation kit $150 refundable core charge Power Driven Diesel 12v Cummins Injectors are built, tested, and calibrated to exacting standards at our shop in Utah, ensuring high quality and consistent performance before they go out the door. Complete with modern USA-made nozzles featuring precise EDM orifices and extrude hone technology ensuring proper k-factor; Power Driven injectors are a premium upgrade over most injectors on the market. From daily driven work trucks, to hot street race trucks, Power Driven injectors are setting the standard. Each injector set comes with a complete installation kit. Would you like to know more? Our tech support staff frequently answers these questions about injectors: Why DLC Coating? Diamond-Like-Carbon coating improves the lubricity and wear resistance of the key moving portion of the injector, the needle. All modern high-pressure diesel injectors utilize DLC to improve durability, so we’ve applied this technology to “older tech” 12v Cummins injectors. This means these injectors will function properly for years to come. What is the spray angle, and which one is right for me? The spray angle, or spray pattern, is another variable in the injector equation. This refers to the built-in cone angle of the injector nozzle itself. Normally, the injector spray angle and piston bowls should be matched for optimal performance. Generally, intercooled 12v trucks with stock pistons will run best with a 145-degree spray angle. When mixing and matching spray angles and piston bowls, one must be careful. Putting 155-degree injectors in an engine with 145-degree pistons will result in high EGTs and a very hazy, smokey exhaust due to the fuel spraying outside the bowl.
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