LS7 CNC Cylinder Head Porting Service Spring Kit:None, Tsp .660 PCD surfaced to your desired

PCD surfaced to your desired chamber size

Our CID LT1 & CID LT4 ported heads include:

2                         Exhaust:             1

7 Int 165 247 305 350 385 402 Exh 115 170 210 235 248 255

LS7 CNC Cylinder Head Porting Service Spring Kit:None, Tsp .660 PCD surfaced to your desired**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