Vehicle Type: automobiles
Modification Type: Performance
Modification Name: Cylinder Head
Manufacturer: GM
Used Most Often In: Pontiac GTO
How it was Used: L92 fully assembled Factory GM cylinder heads. Stock "out-of-the-box" heads will flow over 320cfm! 70cc combustion chamber, 2.160"/1.590" GM valves, and Comp Cams 921 Valve Springs.
Price Paid: $798