MEFI EFI Kits for LS-Series Crate Engines
MSD makes EFI for your crate LS engine easy! Several kits are available and are supplied with the matching connectors and harnesses to make installation a snap. Each kit features a MEFI4 ECU with InGenius software, a main harness and injector harness. Better yet, each MEFI Kit retails for $1994.70!
PN 240010  |
LS1/LS6, 24x Trigger |
| PN 240011 |
LS1/LS6 Full Package W/corvette manifold |
| PN 240012 |
LQ9 6.0L with Truck Injectors |
| PN 240015 |
LS2, 24x with Stock Injectors |
| PN 240016 |
LS2, 24x with Bosch Injectors |
| PN 240020 |
LS2/LS7, 58x Trigger |
| PN 240021 |
LS2/LS7, 58x Trigger with Bosch Injectors |
Integrated/Modular Wiring Harnesses
Main Harness
One main harness works with all LS1 style engines.
Injector Sub-Harness
Injector harnesses can be plugged in depending on the type of injector being used:
- Bosch Injectors
- Truck Injectors
- LS2/LS7 Injectors
Racepak Extension
Inputs Oil Pressure, Oil Temp, and Fuel Pressure when using Racepak Dash or Gauges
Crank / Cam Sub-harness
Crank/cam sensor harness depends on the sensor type and location:
- 1997+ LS1, LS6
- 2005 LS2
- 2006 LS2 and LS7