Fuel Rail can be purchased separately HERE.
20-0232-PK Fuel Rail Plumbing Kit, LS3, L99
The 20-0232-PK Fuel Rail Plumbing Kit reuses the OEM fuel hose. It is a direct bolt-on for LS3 and L99 engines. The inlet fitting permits the use of the OEM SAE quick connector. A PTFE -8AN crossover hose is used for the front of the rails. Plugs are provided for all unused ports: (LH rear, RH rear port, and RH center).