SKU: 34774Qualityvery high quality. using these gears in a model 9 cylinder radial engine with a 1" bore. about 8 h.p. , for oil pump a scavenge pump timing gears and distributor . very good quality gears.Read moreSKU: 32204Excellent customer serviceThe couplings are just what they are supposed to be. But I wanted to comment on MRO. This was my first order with them and I was extremely surprised at how well the company is run. I will be doing more business with them in the future.Read moreSKU: 34979Na40Fast shipping!!! Great to do business with.Read moreSKU: 36163Good sellerCatalogue item, good price, fast delivery = good sellerRead more