These Small Block Chevy heads are manufactured from
355-T6 aluminum for the Strongest castings available. The same material used in NASCAR & NHRA Pro Stock heads.
These castings are made for Liberty Engine Parts, a wholesale only supplier to the engine builder industry.
These are NOT Pro-Comp heads.
Intake flows 262cfm @ .500 lift and 271cfm @ .750 lift.
Exhaust flows 181cfm @ .500 lift and 203cfm @ .750 lift
64cc chambers for increased compression
Angle or Straight spark plug
2.020 x 1.600 stainless valves with 11/32 stems
Chrome moly retainers & 7 degree locks (roller has 10deg)
5/16 pushrod guide plates
3/8 or 7/16 rocker studs
.750 in thick decks for Nitrous or Blowers