706/ 862 CNC Cylinder Head Porting Service 040 Exhaust: 1

040                    Exhaust:     1

These heads perform very well compared to other 260cc heads on the market

Intake valve:      1

7 Int 200 265 305 340 357 365 Exh 159 200 226 240 248 254

65 Int 145 205 251 291 318 320 Exh 111 153 193 209 219 221

706/ 862 CNC Cylinder Head Porting Service 040 Exhaust: 1Our 706 & 862 ported heads include: Our in house CNC port 2" valve upgrade PCD surfaced to your desired chamber size Proprietary competition valve job Hand blended valve job ***This is our most common setup, but if this doesnt meet your needs please call us so we can get you set up to your needs*** Intake valve: 2. 0 Exhaust: 1. 57 Flow lift . 2 . 3. . 4 . 5 . 6 Int 145 205 255 290 305 Exh 110 143 185 202 225