Robbie Mac RobbMc 1116 Holden 253 304 308 355 High Volume 550HP Fuel Pump

RobbMc 1116 Holden V8 High-Volume 550HP Mechanical Fuel Pump

Engineered for Holden V8 engines in the 253, 304, 308, and 355 cubic inch range, this high‑volume mechanical fuel pump delivers dependable fuel delivery for engines up to 550 horsepower. The RobbMc design emphasizes precise fuel control and durable performance under demanding conditions.

• For Engines Up To 550 horsepower
• Valve Body Can Be Rotated To Any Angle — No Disassembly Required
• Maximum Output Pressure: 7 PSI (+/- 1)
• Port Configuration:
  • Side Inlet Port: 1/2 NPT
  • Side Outlet Port (180 degrees from the Inlet): 3/8 NPT
  • Bottom Outlet Port: 1/2 NPT
  • Bottom “Vapor Return” Port: 1/8 NPT (metered)
• Recommended Fuel: Gasoline or gasoline/ethanol blends
• Recommended MINIMUM Feed Line Size:
  • 5/16″ up to 350 hp
  • 3/8″ (or –6AN) up to 450 hp
  • 1/2″ (or –8AN) up to 550 hp
• Recommended Pre-Filter: Factory In-Tank Filter or RobbMc PN 1024