AFR Heads, 1031 SBC AFR 195 LT1/LT4 Reverse Cool Cylinder Heads

AFR LT1/LT4 Eliminator Street Heads are Emission Legal (CARB EO #D-250-2 for engines up to 1994), 195cc intake port LT4 small block Chevy cylinder heads are available in an LT4 angle plug version. These heads feature a 55cc to 65cc combustion chamber with a 64cc exhaust port and a 3/4" thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm 2.050 intake (comp package has 2.080) and 1.600 exhaust with AFR's hardened ductile iron interlocking valve seats. The exceptional flow characteristics, ideal operating range of 2500 rpm to 6500 rpm (higher rpm ranges possible depending on combination of parts), 23 degree valve angle, and standard valve spacing make this the perfect street head for 350 CID to 383 CID engines. Designed specifically for 1996 Corvettes or LT4 manifold users. No special parts are required. Dual valve cover bolt pattern is standard. Exhaust port is raised .100 over GM L98 head.