OS SPEED B21 ADAM DRAKE 4 without manifold and silencer

$563.00 USD

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OS1FH00


Regular price $563.00 USD
Sale price $563.00 USD Regular price
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OS SPEED B21 ADAM DRAKE 4 without manifold and silencer

Description

The OS SPEED B21 ADAM DRAKE 4 is a limited-edition, high-performance motor for 1/8 scale off-road racing. Developed in collaboration with legendary professional racer Adam Drake , this motor combines maximum performance with exceptional reliability and efficiency.

Adam Drake is a fixture in international 1/8 off-road racing and has relied exclusively on OS MAX engines in his Mugen race cars for years. The B21 Drake 4 was specifically developed for competition and offers significantly improved torque as well as particularly precise throttle response in the low and mid-range RPMs.

The engine features a redesigned cylinder and piston , a DLC-coated crankshaft with tungsten weights for perfect balance, and a two-tone cooling head with optimized cooling performance and a lower center of gravity.


Key features

  • Limited Adam Drake 4 Edition
  • Designed for 1/8 scale off-road buggy and truck competitions
  • Revised cylinder and piston for higher torque
  • DLC-coated crankshaft with double tungsten weights
  • High-quality two-tone cooling head with efficient cooling
  • Ceramic rear bearings for maximum efficiency and durability
  • Very good throttle response in the lower and mid-range RPM
  • Low fuel consumption

🏁 Advantages in racing operations

The B21 Adam Drake 4 was specifically designed for demanding racing conditions and offers:

  • strong acceleration out of corners
  • Stable mid-range power
  • precise throttle response
  • high efficiency and durability

This makes this engine an ideal choice for 1/8 scale off-road racing at a competitive level .


Technical data

  • Engine displacement: 3.49 cm³
  • Bore: 16.40 mm
  • Stroke: 16.55 mm
  • Channels: 5 + 3
  • Speed ​​range: 4,000 – 42,000 rpm
  • Power output: 2.65 hp at 34,000 rpm
  • Weight: 352 g

📦 Scope of delivery

  • OS SPEED B21 Adam Drake 4 engine
  • 6.5 mm diffuser
  • 8.0 mm diffuser
OS SPEED B21 ADAM DRAKE 4 without manifold and silencer

$563.00 USD

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