Holley In-Tank RetroFit Fuel Module 525 LPH Returnless Style 12-135 safety-equipment 7 V8 1987 - 1989

7 V8 1987 - 1989 GMC R3500 454/7

Replacement harness for the Racepak IQ3 Drag dash

4L V8 1996 - 2000 GMC K3500 Sierra SL 454/7

into this vehicle application

Holley In-Tank RetroFit Fuel Module 525 LPH Returnless Style 12-135 safety-equipment 7 V8 1987 - 1989525 LPH Drop In Retrofit EFI Fuel System w Hydramat Supports up to 1200 EFI or 1450 Carb HP (@ 60 PSI at 13. 5 Volts 16. 9 AMP Draw) The Holley In tank RetroFit Fuel Modules are now available with a 525 LPH Pump. NOTES: It is recommended to use a Holley 12 753 30 Amp Fuel Pump Relay along with a minimum size of 12 Gauge wire for your installation. *** Maximum 6AN line and fitting size due to space limitations between unit and fuel tank. Features: