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MRCM
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O-ring Set - water jacket - 290/300
Large and small o-ring for the water jacket on Zenoah PUM's . This set fits the 290 / 300 only .
$3.75 $3.00
Performance Worksheet
Down load our free worksheet . Take it to the lake and record all of your information from testing . Compare to other testing sessions to find your best setup . Keeps track of what props etc worked per setup . Great information to look over . PDF file. Read below for instructions.
$0.00
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. 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.
$8.95