PRC LT4 CNC Aftermarket Cylinder HeadsPrecision Race Components LT4 CNC 312cc ported cylinder heads. All new 6 bolt Precision Race Components LT cylinder heads! MADE in the USA!! CAST in the USA!! MACHINED in the USA!! 2. 165" Titanium Intake Valves 1. 600" Inconel Steel Exhaust Valves TSP . 750 Spring Kit w PAC Valve Springs & Titanium Retainers 6 Bolt Cylinder Heads with Thicker Deck Surface CHE Bronze Guides Will Work on Both Standard GM 4 Bolt & Aftermarket LT 6 Bolt Style Engine

easy-to-use software suite allows full laptop access for advanced users* Real-time fuel map learn—takes the guesswork out of tuning your base fuel table* High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors)* Bosch LSU 4

so you will still use the plastic lifter trays

And They Come In A Nice Raw Finish

2310cc/min - 43

1/2” Inside Diameter

From Spintron testing to NASCAR racing you can be sure you will have the very best components available

Marmon Discharge Turbine Outlet

660 Spring kit with Titanium Retainers

Oversized exhaust ports • Accommodates ported cylinder heads

The MV-R 44mm wastegate is more compact than any current 44 or 46mm wastegate on the market

Desired Compression ratio for cam: 10

2005-2008 C6 Corvette & C6 Corvette ZO6