I am really happy with this carburetorit was exactly a match with the regional in my case i just swap it pull the strip and fire right oni do not even got to adjust it worked better than the old one perfect put it on and started 1st pull working great since carb rebuild kits for the original carb for my pair of ryobi ss30 powerhead weedwackeraccessory tools were not available despite researching several small engine parts catalogs