Small Bore CID Ls3 SPRING KIT:PAC 1209X This is our most common

This is our most common setup

Proprietary valve job

7 Int 150 217 270 315 340 346 356 Exh 99 141 190 218 233 240 242

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

Brodix BR7 castings with our in house CNC port

Small Bore CID Ls3 SPRING KIT:PAC 1209X This is our most commonOur Small Bore CID LS7 CNCd heads include: Our in house CNC port PCD surfaced Proprietary competition valve job Hand blended valve job TSP 660 Spring Kit REV 2. 140 Intake Valve REV 1. 600 Exhaust Valve Minimum Bore size 4. 0 ***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. 14 Exhaust: 1. 6 Flow lift . 2 . 3 . 4 . 5 . 6 . 65 Int 156 222 284 331 364 375 Exh