CNC Ported Cylinder Kits Model:HP500i 27% increase in horsepower and

27% increase in horsepower and a 13

Clean burning to prevent carbon build-up in combustion chambers and power valve mechanisms

The 65 PPI polyurethane foam captures dirt and foreign particulates better than paper or gauze

Upgrade your Echo CS 2511 with a precision laser cut 1/8 inch Grade 5 Ti 6Al 4V Titanium felling dog

CNC Ported Cylinder Kits Model:HP500i 27% increase in horsepower andBrand new OEM cylinders cylinder kits that include our CNC porting. We'll CNC port the cylinder and send it to you for reassembly on your saw. **Note: This does not include any modifications to the muffler, timing or tuning. This is why we offer this for a lower price than full saw builds.) Most kits have an approximately 3 week lead time depending on the manufacturer.