AFR SB-Chevy LT4 Aluminum Cylinder Heads

Product images may differ from actual product appearance.

AFR 195cc SBC LT4 Street Cylinder Head

AFR's 195cc SBC LT4 Street Cylinder Head The Ultimate Bolt-on Emissions Legal Street Weapon The Airflow Research Emissions Legal, 195cc intake port LT4 small block Chevy cylinder heads are available in an LT4 angle plug version. These heads feature a 58cc combustion chamber with a 64cc exhaust port and a 3/4'' thick head deck (ideal for nitrous or blower applications). Standard valves are 2.020 intake 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), 23º 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.
AFR 210cc SBC LT4 Racing Cylinder Head

These reasonably priced AFR 210cc intake port small block Chevy angle plug cylinder heads come fully CNC ported with 64cc combustion chambers and 80cc exhaust ports and a 3/4'' thick head deck (ideal for nitrous or blower applications). Standard valves are 2.080 intake and 1.600 exhaust with AFR’s hardened ductile iron interlocking valve seats. The exceptional flow characteristics, 23º valve angle, and standard valve spacing make this the perfect head for 350 to 400 cid engines in bracket drag cars, sportsman oval trackers, and highly modified street class cars operating between 3000 and 7500 rpm (higher rpm ranges possible depending on combination of parts).The 210cc heads are available in either standard or spread port exhaust. No special parts are required.