Applicable models: GM Installation hole distance: 6.7cm Flow: 80~100 (L/H) Current: 1.2a Voltage: 12v Pressure: 0.032-0.045 MPA Output pressure: 3-6 psi Import and export diameter: 8mm Pipe interface: 0.8cm The electric fuel pump is the "heart" of the fuel supply system of the EFI engine. The plunger type oil supply method is adopted, the suction force is stronger, and the oil supply is more stable. There are 4 specifications to choose from. 1. Gold 12V 2. Silver 12V 3. Gold 24V 4. Silver 24V Product net weight: 400g Color: silver+gold Material: iron + copper clad aluminum Quantity: 1pcs Packing list: 1*electronic fuel pump body Only the above package contents are included, other products are not included. Note: Reflection of light and different monitors may cause the item's color to be slightly different from the actual item. Measurements allow +/- 1-3 cm.