4-Cylinder Car Engine Metal Model Kit V4 Full Metal DIY 3D Metal Puzzle

Build a Piece of Racing History

This 4-Cylinder Engine Metal Model Kit brings you the precision and power of early 20th-century racing engineering. Inspired by the iconic Peugeot L45 that won the 1913 Indianapolis 500, this DIY model features a detailed replica of the engine designed by Ernest Henry—one of the first to use dual overhead camshafts and four valves per cylinder. This design set a standard that still influences modern inline-four engines.

Every component is crafted from aluminum alloy and stainless steel, with CNC precision and anodized finishes for an authentic look and feel. With over 250 pieces, this model offers a rewarding assembly experience that captures the mechanical beauty of a classic racing engine.

Once assembled, the motorized model demonstrates the core principles of an internal combustion engine, making it both an impressive display piece and an educational tool. The transmission mechanism operates clearly, showcasing the logical flow of power from cylinder to crankshaft.

Features & Design Highlights

• Authentic Engineering Replica: Based on the 1913 Peugeot L45 engine, featuring a scale reproduction of the dual overhead camshaft inline-four design.
• High-Quality Materials: Constructed from aluminum alloy and stainless steel with anodized surfaces for durability and aesthetic appeal.
• Motorized Operation: Includes a rechargeable 3.7V 450mAh lithium battery (DC 5V charging) for up to 1.5 hours of running time after a 2-hour charge.
• Detailed Mechanical Display: The transmission process is fully visible, allowing you to observe the piston motion and valve operation in action.
• Expansion Capability: Compatible with optional upgrade kits and DIY modifications for further customization (sold separately).
• Precision Craftsmanship: Over 250 pieces are finely polished and engineered to fit together with satisfying accuracy.

Technical Specifications

Who Is This Model For?

This 4-cylinder engine model is perfect for hobbyists aged 14 and up who enjoy mechanical puzzles and DIY assembly. It makes an excellent gift for automotive enthusiasts, engineering students, or collectors of classic machine replicas. The challenging yet rewarding build process helps improve focus and hands-on skills, while the final model serves as a unique desktop decoration or a teaching aid for understanding engine mechanics. Share the experience with friends or family who appreciate the art of precision engineering.