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Exclusive Offer XDI GM LT4 +70% Injector Set
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Exclusive Offer XDI GM LT4 +70% Injector Set

Original price was: $3,999.00.Current price is: $1,599.60.

SKU: SK0049207-US20260210-085956 Category: Tag:

Description

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SUPPORTED VEHICLES
•High horsepower GM Gen V V8 and V6 direct injection engines including LT4, LT1, L86, L83 and LV3
•E85 conversions of GM Gen V V8 and V6 engines
•2014-2019 C7 Corvette (LT1)
•2015-2019 C7 Z06 Corvette (LT4)
•2016-2022 Camaro SS (LT1)
•2016-2019 CTS-V (LT4)
•2020-2024 CT5-V Black Wing (LT4)
•2017-2023 ZL1 Camaro (LT4)
•2014-2023 Silverado and Sierra with 4.3L LV3, 5.3L L83 and 6.2L L86 engines *Not compatible with 6mm shaft injectors
•2015-2023 Suburban, Tahoe, Yukon and Escalade with 5.3L L83 and 6.2L L86 engines *Not compatible with 6mm shaft injector

*Global B ECUs may require extra tuning on a case-by-case basis as we learn more about new models. We do not accept returns due to tuning difficulties, but we’re happy to assist with any technical inquiries.

APPLICATION
Maximum Rail Pressure: 193bar / 2800psi
Fuel Compatibility: all known fuels, all Ethanol blends
Electric Connector: Bosch EV1
Driver Profile: XDI, tuning changes needed
Static Flow Rate: 30.1 g/sec (2600cc/min @ 100bar)
Tuning Support:Standalone, HPT, MoTeC

INJECTOR DATA

  • Flow Rates:
    • 2600 cc/min at 100 bar
    • 3700 cc/min at 200 bar
  • Performance: Rock-solid, perfectly linear
  • Fitment: 100% drop-in with OEM spray pattern
  • Cold Start & Idle: Stock-like cold start and idle not expected, especially on pump gas
  • Tuning: Custom tuning required, with only one ECU value change
  • Increased Flow:
    • 96% more flow than production LT1/L86 injectors (15.3 g/sec)
    • 70% more flow than production LT4 injectors (17.7 g/sec)

Note: Due to the LT4 +70% Injectors large size, these injectors may not deliver stock-like drivability, especially on pump gas. Manual transmission cars may experience pressure overshoots after shifting, potentially causing misfires. Reducing pressure may be necessary.

Injector Testing and Documentation:
Each XDI injector set is rigorously tested and matched at three critical operating points, with full documentation provided:

  1. Idle Stability: 0.8 ms at 20 bar
  2. Static Flow Reference: 10 ms at 100 bar
  3. WOT Performance and Stability: 6 ms at 200 bar

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