CNC Ported Cylinder Kits Model:HP500i Most kits have an approximately

Most kits have an approximately 3 week lead time depending on the manufacturer

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

27% increase in horsepower and a 13

CNC machined from 6061 T6 billet aluminum

CNC Ported Cylinder Kits Model:HP500i Most kits have an approximatelyBrand 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.