706/ 862 CNC Cylinder Head Porting Service 14 Exhaust: 1

14                  Exhaust:       1

Bronze valve guides

****WE STRONGLY SUGGEST PUTTING INTAKE SEAT UPGRADE IN LS3 THEY ARE COMMON TO FALL OUT***

We offer this cover with or without our breather design

65 Int 136 194 243 278 300 311 Exh 102 136 162 187 193 201

706/ 862 CNC Cylinder Head Porting Service 14 Exhaust: 1Our 706 & 862 ported heads include: Our in house CNC port 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