BMW M20 Fuel Rail

Upgrade your classic BMW M20 engine with the latest-generation fuel rail from Nuke Performance—engineered for high flow, modern AN fuel systems, and total reliability under extreme conditions.

Designed for the BMW M20 6-cylinder engine (M20B20, M20B23, M20B25, M20B27), this CNC-machined 6082 aluminum fuel rail delivers serious performance with support for AN-8 ORB inlet/outlet fittings and a side AN-6 ORB port for optional configurations. It's fully E85-compatible and built to withstand the demands of modern fuels and high-performance driving.

This M20-specific fuel rail comes complete with mounting brackets, injector bottom spacers (with Viton O-rings), and Nuke Performance’s renowned Injector Safety Clips—a proprietary system that keeps injectors sealed tightly, even under crash-level conditions or high fuel pressures.

Key Features:

• Perfect fitment for BMW M20 6-cylinder engines (1977–1992)
• Lightweight CNC aluminum construction
• Compatible with Bosch EV14L-style injectors
• AN-8 ORB inlet/outlet ports for high-flow fuel delivery
• AN-6 ORB side port with plug included for optional return or sensor use
• Includes mounting brackets and hardware for plug-and-play installation
• Compatible with all fuels including E85, ethanol, and methanol
• Designed, tested, and manufactured in Sweden

Includes:

• Fuel rail body with AN-8 ORB ports (x2)
• Brackets and stainless hardware
• Injector spacers (6x) with Viton O-rings
• AN-6 ORB Plug (for side port)
• 6x Nuke Performance Injector Safety Clips

Fitment:

• BMW M20B20 (1977–1992)
• BMW M20B23 (1977–1987)
• BMW M20B25 (1985–1992)
• BMW M20B27 (1982–1988)

Technical Specs:

• Length: 500mm (19.68")
• Height: 32mm (1.25")
• Weight: 418g (14.74oz)
• Fuel compatibility: Petrol, Ethanol, Methanol, E85, E100
• Threads: AN-8 ORB (main ports), AN-6 ORB (side port)

Choose the right fittings from Nuke’s lineup to complete your install. Whether for track use, street builds, or restoration projects, this is the premium fueling solution for your M20 engine.