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OS Engines

21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine

21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine

$461.29 USD
$461.29 USD
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21XZ-B V2 ABC VII 1/8 Offroad .21 Buggy Engine


















The perfect balance between price and performance.


The 21XZ-B Version II delivers ideal performance at a reasonable price. It continues to exceed the expectations of even pro racers, delivering power comparable to the Speed Spec II at a lower price. Upgrades include a lightened cylinder head, improved cooling and a brand new 22B2 single-needle carb for easy tuning. If you're looking for incredible throttle response and the power to conquer off-road, you've found it in the 21XZ-B Version II.







O.S. Two Year Limited Warranty











  • Performance that rivals the Speed 21XZ-B Spec II

  • Shares the piston, liner and con rod of the Spec II

  • Easy-tune 2282 single-needle carb

  • Optimized power band






  • Silicon-filled crankshaft with tungsten counter weights

  • Low center of gravity

  • Blue anodized head

  • Incredible throttle response














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