LSA CNC Cylinder Head Porting Service SPRING KIT:.660" **CUSTOMER SUPPLIES HEADS**

**CUSTOMER SUPPLIES HEADS**

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

6 Int 145 205 255 290 305 Exh 110 143 185 202 225

08                    Exhaust:       1

Cleaning and reassembly to your needs and specification

LSA CNC Cylinder Head Porting Service SPRING KIT:.660" **CUSTOMER SUPPLIES HEADS****CUSTOMER SUPPLIES HEADS** All CNC services include: Disassembly and inspection 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 specifications CONTACT US FOR OPTIONS Intake valve: 2. 165 Exhaust: 1. 59 Flow lift . 2 . 3. . 4 . 5 . 6 . 65 Int 152 225 273 319 352 365 Exh 109 152 187 214 230 236