Twin Tank Conversion Kit Mini Cooper Grand Prix
Mini Cooper Grand Prix twin tank conversion kit for later injection Minis, inspired by historic Cooper S rally cars. Adds extended range, authentic twin-filler styling and Aston-style alloy fuel caps.
Details
Twin-Tank Heritage for the Mini Cooper Grand Prix
Authentic Grand Prix styling with practical long-distance benefit.
Few upgrades capture the look and purpose of 1960s Cooper rally cars like a twin fuel tank conversion.
The Mini Cooper Grand Prix Twin Tank Conversion Kit brings one of the most recognisable endurance and competition upgrades of the 1960s Mini Cooper S into the Mini Sport Grand Prix programme.
Originally developed for international rallying and long-distance competition, the twin-tank configuration became a hallmark of successful works Minis driven by names including Paddy Hopkirk, Timo Mäkinen, Rauno Aaltonen and John Rhodes. Extended range, improved touring practicality and unmistakable motorsport styling made it both a functional and visual signature of Cooper competition cars.
This Grand Prix version recreates that heritage while being engineered for later injection-type Minis, giving Classic Mini owners a practical upgrade with the period-inspired appearance associated with historic Cooper rally cars.
What the Grand Prix Twin Tank Conversion Delivers
Adding a second fuel tank is not simply a styling detail; it adds genuine usability and helps create the unmistakable twin-filler Grand Prix look:
-
Extended Driving Range: Helps reduce refuelling stops on long journeys and touring use.
-
Improved Practicality: A useful upgrade for road trips, touring and Grand Prix-inspired builds.
-
Authentic Motorsport Appearance: The unmistakable twin-filler layout associated with historic Cooper rally cars.
-
Enhanced Ownership Experience: Greater usability with a stronger connection to Cooper competition heritage.
For a Classic Mini already known for efficiency, the twin-tank layout helps make a Grand Prix-inspired car more capable for longer-distance driving.
Designed for Authenticity
This system is inspired by the Mk1 Cooper S twin-tank installations associated with famous 1960s rally successes, including Monte Carlo-winning cars that helped define the Cooper legend.
The Grand Prix kit has been developed to capture that authentic appearance and practical function while meeting modern expectations for fitment, safety and durability.
Grand Prix Engineering for Injection Minis
Unlike early historic systems, this kit has been engineered specifically for later injection Minis, supporting correct operation and integration:
-
Designed for injection-equipped Classic Minis
-
High-quality materials and safety-focused engineering
-
Clean integration with Grand Prix body, trim and boot layout
-
Precision-engineered components for reliable long-term use
The result is a system that combines period-inspired design with the usability expected from a modern Mini Sport Grand Prix build.
Included as Part of the Grand Prix Twin Tank System
The Grand Prix Twin Tank Conversion Kit is supplied as a complete engineered solution and includes:
Tank Hardware & Mounting Components
Purpose-designed to integrate cleanly into the rear of the vehicle.
Fuel System Integration Components
Engineered to support safe, consistent operation on injection-equipped Minis.
Aston-Style Engraved Alloy Fuel Caps
Signature Grand Prix exterior detail inspired by classic endurance-racing hardware, completing the authentic twin-tank appearance.
Together, these elements create a system that is both functionally useful and visually faithful to the spirit of original Cooper S rally cars.
Designed for the Grand Prix Programme
This conversion kit has been developed to complement the wider Grand Prix vehicle system:
-
Pairs naturally with the Grand Prix Handling Pack for long-distance composure
-
Complements the Grand Prix Performance Engine & Tuning Kit
-
Works alongside Grand Prix exterior detailing, including Aston-style fuel caps, trim and boot components
-
A defining feature for a Grand Prix heritage build
Functional. Authentic. Heritage-inspired
A conversion kit built to honour the Cooper competition legacy while adding practical range and unmistakable Grand Prix style.
Additional Product Information
The Mini Cooper Grand Prix Twin Tank Conversion Kit is a Mini Sport-developed fuel system created for the Grand Prix programme in partnership with the Cooper Car Company. Inspired by the legendary twin-tank layouts of 1960s Mini Cooper S rally cars, this system recreates one of the most recognisable features in Cooper motorsport history.
Designed specifically for later injection-equipped Minis, the Grand Prix twin tank system delivers extended driving range, improved touring capability and authentic competition styling. The kit is designed to integrate cleanly into the vehicle using modern materials and safety-focused engineering while preserving the period-inspired appearance associated with works rally Minis.
Supplied as a complete system and including Aston-style engraved alloy fuel caps, the Grand Prix Twin Tank Conversion Kit can be specified as part of a full Grand Prix build or as a heritage-led upgrade. It enhances both the functionality and visual identity of the car while honouring the innovation, endurance and engineering character associated with Cooper competition Minis.
Whether recreating a historically inspired Cooper S rally configuration or building a long-distance-capable Grand Prix road car, this conversion kit brings together heritage authenticity, practical usability and Mini Sport engineering.
Related search terms: Mini Cooper Grand Prix twin tank, Cooper S twin fuel tanks, Mini injection twin tank kit, Classic Mini fuel system upgrade, Cooper rally heritage conversion, Grand Prix performance components.
Explore the Grand Prix Range
The Grand Prix components are engineered as a complete system. Use the links below to navigate the official Grand Prix range and related upgrades.
Primary Category
Subcategory
Related Grand Prix Components
- Grand Prix Power Steering Kit
- Grand Prix Quick-Shift Gear Lever
- Grand Prix Twin Upswept Side Exit Exhaust
- Grand Prix Twin Tank Conversion Kit
Grand Prix Reference Pages
More Information
| SKU | MCPGP.TTC |
|---|