Description
Hybrid Racing K-Series Fuel Rail Kit – E85 Compatible
Fits 2006–2011 Honda Civic Si with RBC, RBB, PRB Intake Manifolds
Supports K20 & K24 Engines
Upgrade your fuel delivery system with the Hybrid Racing K-Series Fuel Rail, engineered for high-performance builds running pump gas or ethanol-based fuels like E85. This rail is CNC-machined from aircraft-grade aluminum and anodized for corrosion resistance and long-lasting looks.
With a large 0.690" bore, this rail supports even the most fuel-hungry K-series setups and includes provisions for OEM and aftermarket fuel pressure regulators and fittings.
⚙️ Key Features:
✅ Compatible with:
2006–2011 Honda Civic Si (K20Z3)
Intake manifolds: RBC, RBB, PRB
✅ E85-ready, safe for ethanol and other aggressive fuels
✅ High-volume 0.690" internal bore for increased flow
✅ CNC-machined 6061-T6 aluminum body
✅ Durable anodized finish for corrosion protection
✅ Accepts OEM-style and -AN fuel fittings (8AN ORB ports)
✅ Allows use of OEM fuel pressure regulator or aftermarket FPR
✅ Includes mounting hardware and O-rings
📦 What’s Included:
1x Hybrid Racing K-Series Fuel Rail
Mounting hardware
O-rings
-8AN port fittings
Installation guide (via Hybrid Racing website)
💡 Ideal For:
K20/K24 performance builds
NA or turbocharged setups
E85 conversions
Street, strip, or track builds