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SKU: 20-0877
Radium Engineering Fuel Rail for 1991-2003 Volkswagen VR6: Direct Bolt-On Upgrade for Consistent Fuel Delivery
The Radium Engineering Fuel Rail is a precision-engineered component that delivers uniform fuel pressure to all cylinders for smoother operation and greater power potential. Unlike factory fuel rails with narrower passages that can restrict flow during demanding drives, this rail's 0.7-inch internal bore handles increased demands effortlessly, making it the clear pick for enthusiasts building or maintaining high-output setups. Its robust aluminum build resists corrosion and heat, ensuring long-term durability in street or track conditions, while direct compatibility with OEM injectors keeps installation straightforward without extra modifications.
This fuel rail stands out by addressing common VR6 limitations—uneven fuel atomization and pressure drops under boost providing the steady supply needed for tuned engines pushing beyond stock limits. Paired with aftermarket injectors or regulators, it unlocks fuller throttle response and reduced hesitation, giving your VW the edge in acceleration and efficiency over unmodified systems.
Complete Vehicle Fitment Guide
Engineered specifically for the 2.8L 12V VR6 (engine code AAA), this fuel rail installs as a direct replacement on the following models:
- 1991-1995 Volkswagen Corrado (VR6-equipped variants)
- 1991-2000 Volkswagen Passat B3/B4 (2.8L VR6)
- 1991-2003 Volkswagen Golf GTI Mk3 (2.8L 12V VR6)
- 1992-2002 Volkswagen Jetta Mk3 (2.8L 12V VR6)
Compatibility Notes:
- Works with late-model plastic upper and lower intake manifolds.
- Fits early-model aluminum lower intake manifolds (using included long mounts).
- Does not fit early-model aluminum upper intake manifolds verify your setup before purchase.
- Retains factory 14mm injector bores for OEM or equivalent aftermarket injectors reuse stock retaining clips for a secure seal.
What's Included in Your Purchase
Every Radium Engineering 20-0877 kit arrives ready for installation, with all hardware for both early and late VR6 configurations:
- 1 x Black Anodized Aluminum Fuel Rail (0.7-inch bore, laser-etched for identification)
- 2 x Early-Model Fuel Rail Mounts (for aluminum lower intake manifolds)
- 2 x Late-Model Fuel Rail Mounts (for plastic lower intake manifolds)
- 2 x Stainless Steel M6x1.0 Screws
- 4 x Stainless Steel M5x0.8 Screws
No special tools required bolt it in using basic wrenches and sockets. Ports are pre-tapped for 8AN ORB fittings, supporting easy connections to -8AN fuel lines, direct-mount regulators, pulse dampers, or pressure gauges (adapters sold separately).
Technical Specifications
- Material: CNC-machined 6061 aluminum with black anodized finish for heat and wear resistance
- Inner Bore Diameter: 0.7 inches (larger than OEM for improved flow volume and distribution)
- Injector Bore: 14mm ID (OEM-compatible)
- Ports: End ports tapped for 8AN ORB; center port available for pulse damper on late models
- Part Number: 20-0877
- Weight: Approximately 1.5 lbs (lightweight design reduces under-hood mass)
- Shipping Box Dimensions: 11.8 inches (width) x 6.8 inches (height) x 12.2 inches (depth) for compact, secure transit
The go-to solution for VR6 owners seeking dependable fuel management without compromise. Order now to experience the difference in your Volkswagen's response and power delivery.
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