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.
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
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Scuba S.5.0 star rating
Review by Scuba S. on 23 Aug 2018review stating Extremely Powerful
After running over a dozen "budget" engines through my buggies, I decided to step it up. Well, I may have hit the jackpot. Awesome engine with great run times and amazing power without sacrificing driveability. Couldnt ask for more, except maybe a black cooling head...
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