OS Speed R2106 + TR03 / MR05 EFRA2196 Combo

OS Speed R2106 + TR03 / MR05 EFRA2196 COMBO: 1/8 On-Road Competition Nitro Engine

🚀 Ultimate Performance for 1/8 On-Road: OS Speed R2106

The **OS Speed R2106 + TR03 / MR05 EFRA2196 combo** is the culmination of OS Engines' engineering, specifically designed for high-level competition in the 1/8 on-road car category. This factory-tuned OS Speed engine offers unparalleled power delivery and extreme reliability, essential in racing.

With a maximum output of 2.80 ps (2.76 hp) at 35,000 r.p.m. and a practical rpm range of 4,000 to 45,000 r.p.m., the R2106 sets a new standard for on-road performance.

⚙️ Technical Specifications of the R2106 Engine

✨ Key Innovations and Features

• 9-Port Liner: New port design for better airflow, offering a significant increase in engine torque and overall power.
• Reinforced Connecting Rod: Newly designed connecting rod, stronger and more resistant (identified with the letter "R"), capable of withstanding the demands of on-road competition.
• Ceramic Rear Bearing: Adopting the ceramic ball bearing from OS Speed's off-road engines, providing a better low-end power feel.
• R21 Euro II Crankshaft: Incorporated to optimize power delivery in the engine's mid-range.
• Revised Carburetor: Based on the 21M from the R2105, with revised adjustments to the needle, slide valve, and metering needle for easier tuning and better low-to-mid range response.
• Black Outer Head: Adopts the black OS Speed color with laser engraving for a distinctive racing aesthetic.

🔥 EFRA2196 Exhaust Combo (TR03 / MR05)

This engine is delivered in a combo with the EFRA2196 exhaust set, consisting of the TR03 muffler and the MR05 manifold. This exhaust is the recommended factory accessory, specifically designed to complement the R2106 engine's characteristics, maximizing power and torque for on-road competition.

📦 Standard Accessories Included

• T-RP7 Glow Plug
• Reducer (Venturi) φ8.5 (Red)
• Exhaust Seal Ring
• Dust Cap Set (φ3, φ16, φ18)