AFR 245cc LSX Mongoose Strip Cylinder Heads 1681

Maximize 4.000 in. and larger bore combinations with AFR 245cc LSX Mongoose Strip cylinder heads. These aluminum cylinder heads feature 100 percent CNC-ported chambers, intake, and exhaust ports, and use A356 aluminum castings. They're also equipped with AFR's 3/4 in. thick deck and thicker port and combustion surfaces. designed for the LSX platform, these max effort cathedral port heads are recommended for race applications or radical "Pro Street" builds with displacements up to 454 cu. in., operating at or below 6800 rpm. Run AFR 245cc LSX Mongoose Strip cylinder heads—and get ready to devour a Cobra, Viper, or any other venomous contestant!Brand: Airflow Research (AFR)
Manufacturer's Part Number: 1681
Part Type: Cylinder Heads
Product Line: AFR 245cc LSX Mongoose Strip Cylinder Heads
HP Direct Part Number: AFR-1681
Combustion Chamber Volume (cc): 65
Intake Runner Volume (cc): 245cc
Exhaust Runner Volume (cc): 88cc
Cylinder Head Style: Bare
Cylinder Head Material: Cast aluminum
Intake Port Shape: Cathedral
Intake Valve Diameter (in.): 2.165 in.
CNC-Machined Combustion Chamber: Yes
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Location: Standard
Exhaust Port Shape: Square
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: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 15
Exhaust Valve Angle: 15
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 5-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: Yes
Remanufactured: No
Quantity: Sold as a pair.
Notes: Minimum bore diameter of 4.000 in. is required. Recommended for race applications or radical "Pro Street" builds with displacements up to 454 cu. in., operating at or below 6800 rpm. LSX bead locks and aftermarket bead locks are not interchangeable. GM made their bead lock radius and depth different. AFR locks are the same as GM LSX.