Stock replacement crankshaft for Chung Yang RC engines. 28mm stroke. Also fits the Zenoah G230RC and..
+5mm long rod kit for RC crankshafts. Includes forged rod, lower pin, and bearing. To use this, it..
+1mm forged stroker crankshaft for the CY46 and GP460 engine. Increases engine displacement by 1.4cc..