Frequently Asked Questions

Reman's have proven to be just as if not even more reliable in some cases however it's important to note that all remans are not created equal and who you're buying them from is often more important than whether they are remanufactured or new.

All genuine cummins injectors and cp3's are originally built by Bosch and the majority of brands we offer are either Bosch certified or use the same parts, processes and equipment as Bosch to ensure that these products are carefully built and tested to exceed the OE standards and specifications.

When you buy a reman product from a reputable company, each part is fully dissasembled and inspected and any components that show signs of wear or damage are replaced prior to reassemby.

What seperates a good builder from a bad builder simply comes down to the parts and processes used and that is why we are very selective of the brands and products we offer here at Blackline Performance.

A core charge is a deposit that is billed up front to cover the cost of the part that is being rebuilt.

Manufacturer's rely on cores to in order to keep these products on hand and this speeds up the manufacturing process while reducing the overall cost for the product itself.

These charges are fully refundable if you have a good core to send back. All cores are to be returned directly to the manufacturer and the refund is generally initiated within 5-7 business days of your old parts return.

The best injector choice comes down to your horsepower goals and the mods you have to support them.

Not Enough Injector:
Turbo lag, poor low end acceleration and wasted top end performance.

Too Much Injector:
Excessive smoke and EGT's with potential damage to the engine in extreme cases.

Lift Pumps and Custom tuning are always recommended for oversized injectors as this ensures the best performance and reliability. Tuning is a widly useful tool that can be used to adjust the fuel output to ensure that your setup is dialed in, preventing the issues we've mentioned above.

Below are a conservative estimate of what each injector is capable of supporting.

15% Over (50HP): 550HP
30% Over (90HP):  650HP 
60% Over (200HP): 875HP
100% Over (250HP): 900HP
150% Over (300HP): 1100HP