AFR air flow research 220cc CNC small block Chevy heads, pre eliminator, ready to install
-spread port exhaust, very heavy duty casting, great for power adders
-O-ringed for extreme pressure, can remove rings and run composite gasket
-ready to bolt on, refreshed with valve job
-approx 75cc chambers
-solid roller springs
-2.08” titanium intake valves
-1.6" Inconel exhaust valves (super heat resistant)
-Valves alone cost more than I 'm asking for the heads
-Mechanical roller springs.
-no corrosion
-Cost $4k to build
