LS7 CNC Cylinder Head Porting Service Spring Kit:None, Tsp .660 All CNC services include:

All CNC services include:

Our 260 LS3 ported heads include:

7 Int 156 237 300 338 375 391 402 Exh 108 162 205 232 246 250 253

Our CID LT1 & CID LT4 ported heads include:

PCD surfaced to your desired chamber size

LS7 CNC Cylinder Head Porting Service Spring Kit:None, Tsp .660 All CNC services include:**CUSTOMER SUPPLIES HEADS** All CNC services include: Disassembly and inspection CHE guide upgrade Heavy cleaning Full CNC port PCD surfaced to your desired chamber size Proprietary valve job Hand blended valve job Cleaning and reassembly to your needs and specification CONTACT US FOR OPTIONS Intake valve: 2. 20 Exhaust: 1. 615 Flow lift . 2 . 3. . 4 . 5 . 6 . 65 . 7 Int 156 237 300 338 375 391 402 Exh 108 162 205 232 246 250 253