pogonantha

Hi guys, Its time to replace the timing belt and I would prefer to use genuine parts for this however I have been quoted about $300 by local dealer (because there are 2 pulleys instead of the usual 1 on most other models)..I searched ebay and found a Bosch kit for $130 posted...big difference in price at a time when I'm really strapped for every doller... Is there any risk in the aftermarket product..? Scott