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MY4.5-S1.5
Big Bang

Big Bang Injection Stage 1.5 Injectors - 43% Over Stock - 04.5-07 Dodge Cummins (Set of 6) - MY4.5-S1.5

Thoroughbred Sku #: BBIMY4.5-S1.5
Manufacturer Sku #: MY4.5-S1.5

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Product Details

Product Name: Big Bang Injection Injectors
Manufacturer: Big Bang Injection
Manufacturer Part #: MY4.5-S1.5
Thoroughbred Diesel Part #: BBIMY4.5-S1.5
Fitment Notes: Big Bang Injection Stage 1.5 Injectors - 43% Over Stock - 04.5-07 Dodge Cummins (Set of 6) - MY4.5-S1.5

  • 2 Year Warranty, Unlimited Milage
Big Bang Injection is making some big waves within the diesel performance industry. With their ties to the infamous Smarty line of tuners and their extreme commitment to building and perfecting the Cummins Common Rail injectors, they have made quite a name for themselves and have lived up to the reputation without flaw.

Big Bang Injection was formed at the request of accomplished engine software tuning guru Marco , of MADS Electronics, SMARTY fame. After extensive testing and research of existing aftermarket performance injector options, none were found to be built to an acceptable standard, when utilized in an extreme performance application. Marco clearly saw a need in the aftermarket, for a top shelf injector with consistencies, tolerances and calibrations, as good as, and better, than OEM quality.

Unable to locate a suitable existing product, Marco sought out, the best of the best, leaders in the field of Common Rail Fuel Injection Technology. Two years later, after thousands of dynamometer runs, and tens of thousands of street driven miles, BBi is READY. Big Bang Injection has come to market with every intention to dominate.

Each injector set is built with new components and are tested against one another to flow within 2% tolerance of each other to deliver even distribution across the cylinders. Every injector is also further tested to ensure an exacting spray angle, as well as equal hole size and pattern to deliver consistent fuel distribution within the piston bowls for a complete combustion. Further, BBi sought out to correct some of the short falls of the Cummins Common Rail injector that caused premature failures. Not only have they accomplished such a feat, but they have identified and cured the common injector rattle issues that have plagued them for years. That's correct, these injectors will NOT rattle like every other common rail injector on the market.

You will also notice that these injectors do NOT require a core charge like every other manufacturer. Big Bang Injection builds new injectors and does not reuse injector parts that are known to fail, hence, why would they want your cores back like everyone else?

These Stage 1.5 injectors from BBi are built to flow an additional 43% over your stock injectors. The nozzle flow rate of each injector is set to 88.2 l/h at a pressure of 100bar, in comparison to the stock injectors that flow at 61.8 l/h/100bar. Even though these injectors are claimed as "Stage 1.5," they are still capable of a whopping 850 rear wheel horsepower, while being VERY streetable.

Why aren't there Stage 2, 3, or 4 injectors for 2004.5-2007 Cummins?
Due to a change in the spray angle and piston bowl design of the 04.5-07 Cummins compared to the 03-04 Cummins, BBi was unable to meet their strict quality control standards, thus decided to not offer anything above a Stage 1.5. For those that are after higher power numbers, you can swap out the pistons to the 03-04 version with the ideal bowl design/spray angle and utilize the 03-04 injectors for an optimum setup.

  • 43% Over Stock
  • Set of 6
  • High line NEW injectors have a failure rate of less than 0.1%

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