CA180BK
Piston Stopper Tool
Piston Stopper Tool
Piston stopper tool for engines with 10mm threads. Works on Zenoah G230RC / G260RC / G240RC / G270RC / G290RC / G320RC / G260PU / G260PUH / G231PUH / G231PUM / G260PUM / GZ25N14 / GZ25N23 engines. Also works on Chung Yang CY23RC / CY26RC / CY27RC / CY29RC / GP290 / GP420 / GP460 engines and all other engines that use a CMR7H or similar spark plug. Also fits some pocketbike engines if high-performance headkit with 10mm spark plug is installed. In general, fits engines with 10mm spark plug hole threads (for example, engines which use NGK "C" class spark plugs like the CMR7H, CR8HIX, etc). Threads into spark plug hole and stops piston from moving, allowing easy removal of flywheel and other rotating parts. This stopper is interchangeable with Zenoah part # 4810-96220 481096220, and with HPI part # Z966.
Available in your choice of silver, red, black, or blue.
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers
Piston Stopper Tool
Product details
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Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
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Engineered for Speed. Built for Control.
Our RC vehicles and parts are crafted with cutting-edge tech and tested for durability. From high-speed drones to rugged RC cars and boats, every product delivers serious fun and unmatched reliability.
Performance You Can Trust
Join thousands of RC enthusiasts who count on ParkFlyers for top-tier quality, responsive customer support, and an unbeatable collection of parts and models.
Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
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