CRANKSHAFT (KE21SP) 74031-08

CRANKSHAFT (KE21SP) 74031-08

The CRANKSHAFT (KE21SP) 74031-08 is a precision-engineered replacement component designed for KE21SP nitro RC engines. It ensures smooth rotation, reliable power transfer, and consistent engine performance, making it essential for maintaining or rebuilding high-performance RC vehicles.

Built for durability and accuracy, this crankshaft helps restore optimal engine efficiency in hobby-grade RC cars and racing models.

About

The CRANKSHAFT (KE21SP) 74031-08 is a critical internal component of a nitro RC engine, responsible for converting piston motion into rotational power. Manufactured with precision-machined metal construction, it provides excellent balance, durability, and smooth engine operation. This makes it ideal for restoring worn engines or completing a professional rebuild.

Designed specifically for the KE21SP nitro engine, the crankshaft fits perfectly with the engine’s internal geometry, ensuring proper alignment and efficient power delivery. Its finely finished bearing surfaces reduce vibration and friction, helping the engine maintain stable RPM and improved throttle response during high-performance driving.

For RC enthusiasts who demand reliable performance, this component plays a vital role in maintaining engine longevity. Whether used in competitive RC racing, bashing sessions, or regular hobby use, the crankshaft helps keep your engine running smoothly and efficiently.

Installation is straightforward for experienced hobbyists performing engine servicing or rebuilds. It is recommended for users maintaining nitro-powered RC cars, ensuring the engine continues delivering dependable power and consistent performance.

Key Features

·         Precision-machined metal crankshaft for KE21SP nitro engines

·         Designed for smooth power transfer and stable engine rotation

·         Durable construction for long-lasting performance

·         Compatible with KE21SP engine platforms

·         Helps restore optimal engine efficiency and throttle response

·         Balanced design reduces vibration and mechanical wear

·         Ideal for RC car engine rebuilds, maintenance, and repairs

·         Hobby-grade engine component suitable for high-performance RC vehicles

What’s Inside the Box

·         1 × CRANKSHAFT (KE21SP) 74031-08

Why Buy from Havoc Hobby Private Limited

At Havoc Hobby Private Limited, we provide authentic hobby-grade RC parts trusted by enthusiasts and collectors. Every product is carefully sourced and inspected to ensure reliable performance and durability. Whether you are maintaining your RC engine, upgrading components, or building a high-performance setup, you can count on Havoc Hobby for quality parts and dependable service.