309 Machine's CNC-ported HP400C packs big-saw power into a little saw package.
HP stands for High Performance, and that's what we're all about. We work to get the most power out of every saw while keeping durability and reliability front and center. This listing is for the powerhead only (PHO). Bar and chain are not included. Performance
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MS400c ported
Fast, prompt excellent service. I called after receiving my ported 400c for a simple question. Mike answered my question right away.
After the ported saw got broke in. Quite a few tanks of fuel. 2 worn out 24 in chains (4-5 sharpening's each, Teeth were more than 1/2 gone). That saw started to come alive.
After running my stock 400c to the ported 400c thru the same 26 inch cotton wood. What a difference! Soon I hope to compare running against my 462 and 500i . I do have the undaunted mufflers for all my Sthil's. Very much temped to get a ported 462 and 500i from 309! And maybe 261.