These Special Plugs and adapters are needed when you remove the vacuum pump on the GM LT Gen-V - 2014 & up engines. When the vacuum pump is removed, it exposes two passages in the oil galley. These passages are metric straight threads and they need to be plugged, or used for an oil pressure gauge, or pressure sensor w/ the Holley EFI system (i.e. Avenger, Terminator X, HP, or Dominator). Choose from an adapter w/ the 1/8" NPT Female Port, (2) Plugs, Adapter & Plug, or Oil Pressure Sensor for EFI System w/ Plug.
Features:
- Vacuum Pump Delete Adapter, Plug & Sensor for GM LT Gen-V Engines
- Material: Stainless Steel
- Metric Thread Size in Block: M12 x 1.75 Straight Thread w/ Tapered Seat
- (1) Adapter w/ Female 1/8” NPT Port - use w/ Sensor
- (1) Plug
- (1) 200 PSI Oil Pressure Sensor w/ Pigtail Wiring Harness
- Ideal For Engine Swaps & Racing Applications that Don’t Use the OEM Vacuum Pump
- Sensor is Holley EFI Part # 554-103
Replaces GM # 11546665
Installation Notes:
Replaces GM # 11546665
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Submodel |
Years |
Engine |
Fitment Notes |
| Chevrolet |
Corvette |
Grand Sport |
2017 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Grand Sport |
2018 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Grand Sport |
2019 |
6.2L / 376 / V8 |
|
| Chevrolet |
Corvette |
Stingray |
2014 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2015 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2016 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2017 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2018 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2019 |
6.2L / 376 / V8 |
|
| Chevrolet |
Corvette |
Stingray |
2020 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Stingray |
2021 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z06 |
2015 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z06 |
2016 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z06 |
2017 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z06 |
2018 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z06 |
2019 |
6.2L / 376 / V8 |
|
| Chevrolet |
Corvette |
Z51 |
2014 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z51 |
2015 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
Z51 |
2016 |
6.2L / 376 / V8 |
Fits GM LT Gen V Engines |
| Chevrolet |
Corvette |
ZR1 |
2019 |
6.2L / 376 / V8 |
|
