AFR LS1 205cc Mongoose Street Head
For the ultimate street LS1/LS6 aluminum cylinder head AFRs all new 205cc emission legal head E/O # D250-4 are your only choice. Specifically designed for 1995 to present Gen-3 Chevy Corvettes, Camaros, and trucks. AFRs LS1 head offers unmatched flow performance (300 CFM at .600lift) and features 2.020 intake and 1.600 exhaust valves with AFRs iron ductile interlocking valve seats. With only 205cc port volume (same as stock LS1 head) this is an incredibly 70 CFM increase over stock casting creating unbelievable port velocity and performance. The 205cc is ideal for normally aspirated 346C.I. to 396C.I. It is available with a 66cc combustion chamber. An affordable as cast version is also available. AFRs LS1 is a direct bolt on, no special parts required. Structural features like Air Flow Researchs trademark 3/4 thick head deck, a must for blown and nitrous applications, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. An exclusive new modern combustion chamber design with double quench pad area helps the LS1 generate huge low and mid lift airflow numbers. Note: Hydraulic roller cams in "LS" Gen III engines typically experience valve float at 6600-6800 RPM's. If you plan on running over .600 gross valve lift and/or 6600 RPM, AFR suggests you upgrade your springs to AFR part #8019. Our upgrade spring has higher seat and open pressures (145/390+) to better reduce the risk of valve float in more aggressive applications. AFR also recommends the use of Comp "R" lifters in conjunction with our 8019 spring upgrade. LIMITED TIME OFFER - Free set of Cometic head gaskets ($150 value)
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