Description
Recommended for aggressive street/strip builds with displacements up to 427 c.i. operating at or below 7200 rpm. Capable of flowing 328 cfm at 0.650 in. lift with a 4.000 in. bore size. AFR street legal 230cc LS1 Mongoose strip cylinder heads are specifically designed for Gen III Chevy Corvettes, Camaros, and trucks. LSX cylinder heads offer unmatched flow performance and feature 2.080 in. intake and 1.600 in. exhaust valves with their ductile iron interlocking valve seats. Mongoose strip heads are available with 62cc, 65cc, and 72cc combustion chambers. Structural features like AFR's trademark 3/4 in. 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 combination chamber design with a double quench pad area helps the LSX generate huge low and mid-lift airflow numbers.Brand: Airflow Research (AFR)
Manufacturer's Part Number: 1640
Part Type: Cylinder Heads
Product Line: AFR 230cc LSX Mongoose Strip Cylinder Heads
HP Direct Part Number: AFR-1640
Combustion Chamber Volume (cc): 72
Intake Runner Volume (cc): 230cc
Exhaust Runner Volume (cc): 85cc
Cylinder Head Style: Bare
Cylinder Head Material: Cast aluminum
Intake Port Shape: Cathedral
Intake Valve Diameter (in.): 2.080 in.
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Combustion Chamber Style: Heart
Intake Port Location: Standard
Exhaust Port Shape: Oval
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: No
Exhaust Valves Included: No
Exhaust Valve Diameter (in.): 1.600 in.
Valve Springs Included: No
Damper Spring Included: No
Retainers Included: No
Locks Included: No
Valve Stem Seals Included: No
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Valve Cover Mounting Style: Centerbolt
Accessory Bolt Holes Drilled: Yes
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Remanufactured: No
Quantity: Sold as a pair.
Notes: These cylinder heads do not have provisions for perimeter bolt valve cover. Cylinder heads are street ported.
Manufacturer's Part Number: 1640
Part Type: Cylinder Heads
Product Line: AFR 230cc LSX Mongoose Strip Cylinder Heads
HP Direct Part Number: AFR-1640
Combustion Chamber Volume (cc): 72
Intake Runner Volume (cc): 230cc
Exhaust Runner Volume (cc): 85cc
Cylinder Head Style: Bare
Cylinder Head Material: Cast aluminum
Intake Port Shape: Cathedral
Intake Valve Diameter (in.): 2.080 in.
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Combustion Chamber Style: Heart
Intake Port Location: Standard
Exhaust Port Shape: Oval
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: No
Exhaust Valves Included: No
Exhaust Valve Diameter (in.): 1.600 in.
Valve Springs Included: No
Damper Spring Included: No
Retainers Included: No
Locks Included: No
Valve Stem Seals Included: No
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Valve Cover Mounting Style: Centerbolt
Accessory Bolt Holes Drilled: Yes
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Remanufactured: No
Quantity: Sold as a pair.
Notes: These cylinder heads do not have provisions for perimeter bolt valve cover. Cylinder heads are street ported.
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