Small Bore CID Ls3 SPRING KIT:TSP .660" Our 275CC heads start as

Our 275CC heads start as an aftermarket casting that we designed our own port for

140                    Exhaust:     1

Disassembly and inspection

Our CID LS3 4

Our Brodix LS7 285 ported heads include:

Small Bore CID Ls3 SPRING KIT:TSP .660" Our 275CC heads start asOur 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