High pressure fuel line for injector rail by Rennline. Porsche 924S / 944 / 944 turbo

Rennline High Pressure Fuel Rail 
Upgrade your aging factory fuel system with Rennline’s High Pressure Fuel Rail Line. Designed to outperform and outlast the original, this premium replacement features a modern braided fuel line paired with precision CNC-machined billet aluminum ends, ensuring a secure, leak-free fit. Unlike other aftermarket options, this rail follows the OEM routing to prevent interference with the rocker cover. Perfect for stock replacements or high-performance builds.

Fits:

• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988>>

Diagram ref no 11 

Key Features:

• Modern braided fuel hose for enhanced durability and higher pressure tolerance
• CNC-machined billet ends for an OEM+ look and performance
• Includes 10mm & 8mm to -6 JIC compression fittings
• Ideal for both factory replacement and performance applications

Symptoms of a Failing or Worn Fuel Rail

• Strong fuel smell from the engine bay.
• Visible leaks or damp spots on the fuel line/rail. 
• Hard starting or poor performance under load.
• Fuel pressure loss or misfires.
• Cracked or brittle factory lines due to age. 

Common Reasons for Failure

• Aging Materials: Original rubber fuel lines harden and crack over time.
  
• Heat Exposure: Constant engine bay heat accelerates degradation.
  
• Fuel Pressure Stress: Stock parts may struggle with modern fuel blends and higher pressures.
  
• Corrosion: Factory metal ends may rust or weaken.

Why Replace?

• Prevents dangerous fuel leaks and fire hazards.
• Restores reliable fuel delivery and performance.
• Provides a long-term solution with modern materials.
  
• Supports both daily driving and high-performance builds.
• Eliminates common clearance issues with poorly designed aftermarket options.

 Ideal For: Porsche 924S, 944, and 951 owners seeking a safe, reliable upgrade to their fuel delivery system - whether for everyday driving or high-performance tuning.