Some model engines are built to run.

Others are built to make history.

After more than six years of research, engineering, testing, and refinement, RUIFEIYA is preparing to introduce its most ambitious creation yet—the RUIFEIYA V12-180 Engine.

As the successor to the legendary RUIFEIYA V10 Series, which has now completely sold out and become a highly sought-after collector's item, the V12-180 represents a new milestone in miniature internal combustion engine engineering.

Designed for enthusiasts who demand realism, precision, and performance, this engine is not simply another scale model—it's a fully functional mechanical masterpiece.

Six Years of Development for One Goal

Creating a true V12 engine at 1/4 scale is far more challenging than simply shrinking a full-size engine.

Every component, tolerance, lubrication passage, cooling system, and valve train must be redesigned while maintaining real engine operating principles.

The result is an engine consisting of more than 500 precision-machined components, faithfully recreating the structure and operation of a modern high-performance V12.

From the DOHC valvetrain to the pressure lubrication system, nearly every mechanical movement mirrors what happens inside a real automotive engine.

Built Like a Real Performance Engine

Unlike decorative engine models, the V12-180 is engineered with genuine performance in mind.

Its architecture incorporates technologies commonly found in high-performance automotive engines, including:

• 13.7:1 high compression ratio
• 60° V12 cylinder layout
• Dual Overhead Camshaft (DOHC)
• Four valves per cylinder (48 valves total)
• Three-ring piston design (two compression rings + one oil control ring)
• Full-pressure lubrication system
• Dual oil pumps
• External centrifugal water cooling system

Every design choice serves a purpose—whether it's increasing power output, improving durability, or delivering authentic engine operation.

Engineered for Maximum Performance

The V12-180 isn't only visually impressive—it also delivers exceptional mechanical performance.

The 13.7:1 compression ratio helps maximize combustion efficiency and power output.

The four-valve cylinder head improves airflow by increasing intake volume and accelerating exhaust flow, allowing the engine to breathe efficiently at higher RPM.

Meanwhile, the three-ring piston system enhances cylinder sealing while improving oil control, reducing oil consumption and increasing long-term reliability.

Combined, these technologies allow the engine to produce impressive performance from only 180cc displacement.

Advanced Lubrication Inspired by Full-Scale Engines

One of the V12-180's standout engineering achievements is its fully integrated lubrication system.

Instead of relying on simple splash lubrication, the engine features:

• A high-pressure oil pump that delivers pressurized oil to critical moving components.
• A low-pressure oil pump that returns oil to the storage tank.

Oil travels through dedicated oil galleries inside the crankcase before reaching:

• Crankshaft journals
• Connecting rod bearings
• Camshafts
• Valve train components

The camshafts receive additional high-pressure spray lubrication, ensuring reliable operation even during extended high-RPM running.

This sophisticated system greatly improves durability while reducing maintenance requirements.

Efficient Water Cooling for Long Runtime

Generating nearly 17 horsepower from a compact 180cc engine inevitably creates significant heat.

To maintain stable operating temperatures, RUIFEIYA designed an external centrifugal water pump together with enlarged coolant passages throughout the cylinder block.

This optimized cooling system provides:

• Faster coolant circulation
• More efficient heat dissipation
• Improved thermal stability
• Greater reliability during long operating sessions

One-Key Electric Start

Starting a twelve-cylinder engine should be exciting—not difficult.

The V12-180 incorporates a brushless electric starter system, allowing convenient one-button starting while maintaining the realism of a functional internal combustion engine.

Designed for RC Power Applications

Although visually stunning enough for display, the V12-180 is designed as a genuine powerplant.

Built at 1/4 scale, it is capable of powering:

• 1/4 Scale RC Cars
• 1/5 Scale Off-Road Vehicles
• Large RC Boats
• Custom Engineering Projects

With a maximum speed of 12,000 RPM, the engine delivers substantial horsepower and torque suitable for demanding RC applications.

Technical Specifications

A New Collector's Masterpiece

The previous RUIFEIYA V10 Series has officially become part of model engine history.

With production completed and inventory sold out worldwide, those engines have become increasingly difficult to obtain.

The RUIFEIYA V12-180 is now set to continue that legacy.

Combining authentic automotive engineering, exceptional machining quality, and true functional performance, it is designed not only for operation but also for long-term collection.

Whether you're an experienced engine builder, RC enthusiast, mechanical engineer, or serious collector, this V12 promises to become one of the most remarkable miniature internal combustion engines ever produced.

Stay Tuned

The countdown has begun.

Over the coming weeks, we'll reveal:

• Detailed internal structure breakdowns
• Assembly and machining highlights
• Running demonstrations
• Sound tests
• Performance videos
• Availability and ordering information

🔥 LIMITED TO ONLY 20 UNITS WORLDWIDE! 🔥

🎁 Exclusive Benefits for the First 20 Owners：
✅ 1-Year Worldwide Warranty + Lifetime Technical Support
✅ Dedicated One-on-One Product Consultant
✅ Storewide Discount Coupon for Future Purchases
✅ Limited Edition Stainless Steel Numbered Plaque (#01–#20)
✅ FREE Custom Logo Engraving

📩 Interested in owning one of these 20 exclusive engines?

Leave your contact information or email us at sales@enginediy.com, and we'll notify you as soon as pre-orders go live!

RUIFEIYA V12-180 Engine — Coming Soon.