CID LT1/LT4 Heads INTAKE VALVE:STOCK LT1 Intake Port: 235cc

Intake Port:        235cc

040                    Exhaust:     1

These are designed with breathers and clearance for most all popular shaft mount rockers

TSP 660 spring kit

Our Small Bore CID LS7 CNC’d heads include:

CID LT1/LT4 Heads INTAKE VALVE:STOCK LT1 Intake Port: 235ccOur CID LT1 & CID LT4 ported heads include: CID castings with our in house CNC port Bronze valve guides REV Intake & Exhaust valves TSP 660 spring kit PCD surfaced to your desired chamber size Proprietary competition valve job Hand blended valve job ***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. 125 Exhaust: 1. 600 Flow lift . 2 . 3. . 4 . 5 . 6 . 7 Int 145