DDM ENGINE DEGREE WHEEL TOOLUse this engine builders / tuners tool to help measure your ignition and port timing. 3 1/2" diameter laser engraved for accuracy. Use on end of crankshaft, or bolt directly to flywheel. Appropriate for use on: Zenoah G23LH / G2D / G230RC / G260RC / G231PUH / G260PUH / G231PUM / G260PUM / G260PU / G43L / GZ23N14 / GZ25N23 motors. Also works on Chung Yang CY23RC / CY26RC / CY27RC / CY29RC / GP290 engines.
