Upgrade your fuel system with the OBP Fuel Filler Neck & Cap, precision-engineered for reliability, durability, and ease of use. CNC machined from high-grade aluminium, this low-profile filler neck and cap assembly is perfect for motorsport, performance, or custom fuel system applications where space, sealing, and strength are essential.
The cap features a knurled outer edge for improved grip during removal, even with gloves or in wet conditions. Each unit includes an integrated O-ring seal to ensure a tight, leak-free closure.
Key Features:
CNC Machined Aluminium – Precision engineered for strength, durability, and a quality finish
Low Profile Design – Ideal for tight spaces or stealth installations
Knurled Cap Edge – Provides excellent grip for quick, easy access
Integrated O-Ring Seal – Ensures a secure and leak-free fit
Supplied as Complete Assembly – Includes both neck and cap
Available Sizes & Part Numbers:
Choose the right size to suit your fuel system setup:
OBPCAP03 – 25mm Bore
OBPCAP04 – 36mm Bore
OBPCAP05 – 45mm Bore
OBPCAP06 – 70mm Bore
Each variant includes the aluminium screw neck and matching cap with O-ring sealing as standard.
Applications:
Motorsport fuel systems
Custom or modified vehicles
Alloy fuel tanks
Race car builds
Lightweight or compact engine bays