Flo-Tek offers one of the most affordable ways to add a set of aluminum cylinder heads to your Big Block Chevrolet. These cylinder heads have a 320cc intake runner and 128cc exhaust runner, so they are great for street and off-road application were you would like to have good low in power. The 121cc cumbustion chamber, 2.250 inch intake and 1.880 inch exhaust valves make them a great cylinder head for most stock applications. The Hi performance springs can be used on hydraulic roller cams up to .700 inches of lift. These Flo-Tek cylinder heads even come with a five angle valve job, you don't see that on most more expensive cylinder heads. These heads are complete and ready to run. Sold individually.
CFM Intake Short Runner at .700 337.1 CFM
CFM Intake Long Runner at .700 340.6 CFM
CFM Exhaust at .700 232.8 CFM