PRC 227cc CNC Ported Small Bore 3.9"-4" Cylinder Heads e6x 4x Cam and a Drive-By-Wire

4x Cam and a Drive-By-Wire Throttle Body

Top mount LS style alternator mounts to clear either car or truck alternators (no Corvette Alternators)

These fit any standard E9X quick-connect hose setup

Texas Speed Chromoly Pushrods 5/16 – Precision hardened pushrods for reliable valvetrain performance

5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions

PRC 227cc CNC Ported Small Bore 3.9"-4" Cylinder Heads e6x 4x Cam and a Drive-By-WirePRC SS227CNC Precision Race Components all new cylinder head castings completed with 227cc runners. For stock cubic inch LS1 LS2 applications requiring smaller chambers for extra compression MADE IN THE USA!! CAST IN THE USA!! MACHINED IN THE USA!! Features: 227cc Fully CNC Ported Intake Runners 84cc Fully CNC Ported Exhaust Runners Small Bore Chambers For Increased Horsepower & Torque+ SPECIFICALLY DESIGNED FOR 3. 9" 4" BORE APPLICATIONS TSP . 660