Decapped LS Injector Fitment Guide | LS1, LS3, LQ4, LQ9, LM7, LS9

This guide will help you choose the right decapped fuel injectors for your LS build based on your engine.

80LB Delphi LS Truck

80LB Delphi Injectors

Decapped OEM-style Delphi injectors for 4.8L LR4, 5.3L LM7, and 6.0L LQ4 LQ9 LS engines.

📐 Injector Dimensions

The 80lb Delphi injectors for LR4, LM7, LQ4, and LQ9 engines measure approximately:

  • O-ring to O-ring: 1.85" (47.00mm)
  • Overall length: 2.3" (58.65mm)
These are standard Multec 2 body lengths compatible with factory LS truck rails.

 

80lb LR4 LM7 LQ4 LQ9 decapped delphi fuel injector length measured
  • 1999–2007 4.8L LR4
  • 1999–2007 5.3L LM7
  • 1999–2007 6.0L LQ4
  • 2002–2007 6.0L LQ9
  • Now Fully E85 Compatible
  • Use where you need a Multec 2 connector
  • Rebuilt & Flow-Matched @ 80lb/hr @ 58psi
Shop 80LB Delphi Multec 2 LS Injectors →

84LB Denso Flex Injectors

84LB Denso Injectors

Rebuilt high-flow Denso ev6 cores. Decapped ev6 injectors ideal for high horsepower or big boost LS setups that have EV6/USCAR harness plug ins.  

Original 1999-2005 L59 5.3L Flex Fuel Injectors 

  • 84lb Fuel Injector Specs
  • Connector Type:  USCAR EV6 plug 
  • Overall Length : 2.53" / 64.26mm 
  • Oring to Oring: 2.03" / 51.56mm
  • Oring Width: 0.58" / 14.73mm
84lb Denso Decapped Flex Fuel Injector Spec Sheet View Injectors
Bosch Minitimer LS1 Injectors

80LB Bosch Minitimer

Regular EV1 height Bosch injectors for early LS1/LS2 intakes with EV1/Minitimer plug.

  • Direct fit for LS1, LS2, LS6
  • No height adapter needed
  • Great for budget supercharged/turbo builds
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80LB Bosch Pico Injectors

80LB Bosch Pico (EV14K)

Compact-length EV14K injectors for LSA, LS3, LS7, L76, L92, LS9 swaps.

  • Supports 700–800 HP
  • Compatible with pump gas or E85
  • Requires EV6/USCAR plug
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