O.S. Speed R21 GT2 Combo Set .21 Nitro Engine – 1/8 GT Racing

Part #1DT01

The O.S. Speed R21 GT2 Combo Set is a high-performance .21 nitro engine package designed for serious 1/8-scale GT racing. Built for racers who want strong acceleration, smooth throttle response, and dependable O.S. Speed performance, the R21 GT2 is a proven choice for competitive nitro GT applications.

This engine is designed to deliver a usable powerband with strong midrange and top-end performance, making it well suited for the weight, gearing, and load demands of 1/8 GT racing. The combo set gives racers a more complete engine package instead of sourcing components separately.

For racers looking to upgrade, replace a tired engine, or build a competitive GT race car, the O.S. Speed R21 GT2 Combo Set offers premium O.S. quality, consistent tuning behavior, and race-ready performance.

Key features

-Genuine O.S. Speed R21 GT2 Combo Set

-.21 nitro engine for 1/8-scale GT racing

-Strong, usable powerband for competitive racing

-Smooth throttle response and consistent drivability

-Designed for the demands of GT racing

-Race-focused O.S. Speed quality and performance

-Great option for new builds, replacements, and performance upgrades

Free ground shipping.