For particular Honda GX 270 crankshaft type Q, 2.362"(60mm) slot, 2.84in crankshaft. Compatible with 301cc and most of GX270 clone engine made in China. Comparing to a 2.283"(58mm) stroke crank it upgrades engine power.
Fits for many chinese 173 177 8hp 9hp models. Compatible with particular GX270 even some GX240 models, please check carefully before ordering. Minor grinding maybe required for fitment due to casting irregularities.
Note the output end in the product images, it's not for generators, not tapered, not threaded, not reduction type.
OEM quality for honda clone engines made in China.