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If your Porter Cable nailer is acting up – misfiring, leaking air, or just not hitting like it used to – this 910450 overhaul kit is probably exactly what you need.
It's compatible with the FC350A (Type 1 and Type 2), FM350A Type 1, and FR350A Type 1 models.
Basically, if you've got one of these framing nailers, this kit has the guts to bring it back to life.

Inside the box you get all the key wear parts: a piston stopper (A03849), a 910767 collar, a trigger valve (A08368), a complete O-ring set, a 910765 gasket, a 897337 bumper, and a full rebuild kit.
That's a lot of stuff – pretty much everything that wears out or gets gummed up with use.
These are OEM-spec replacement parts, so they fit right and perform like the originals.
The materials are sturdy and built for heavy-duty job site use.

Installation is straightforward, especially if you've done a rebuild before.
Even if you haven't, the parts are clearly identified and there are plenty of guides online.
Get this kit, spend an hour or so on the bench, and your nailer will be back to driving nails like day one.
Beats buying a whole new tool any day.

4.5 out of 5