Air Flow Research LS3/LS99 Mongoose CNC Cylinder Heads 260cc Intake Aluminum Pair

The Air Flow Research LS3/LS99 Mongoose CNC Cylinder Heads are engineered for high-performance applications on GM LS-Series engines. These assembled aluminum cylinder heads feature 2.165-inch intake and 1.600-inch exhaust valves, optimized for improved airflow and power output. With a 260 cc intake port and a 69 cc combustion chamber, these heads are designed to maximize engine efficiency and performance. The CNC-machined finish ensures precise airflow dynamics, providing enhanced durability and consistency for demanding racing or street applications. The heads are equipped with 1.270-inch valve springs and feature an angle plug design for compatibility with a wide range of engine setups. Crafted from lightweight aluminum, these cylinder heads contribute to overall vehicle weight reduction while maintaining strength and heat dissipation. They are suitable for a variety of high-performance builds, offering reliable performance and improved throttle response. This pair of heads is compatible with GM LS-Series engines and is ideal for enthusiasts seeking to upgrade their engine's airflow capabilities for increased horsepower and torque.

Features:

• Engineered for GM LS-Series engines with high-performance applications

• Assembled aluminum cylinder heads for durability and lightweight design

• 2.165-inch intake and 1.600-inch exhaust valves for optimized airflow

• 260 cc intake port and 69 cc combustion chamber for increased power

• CNC-machined finish for precise airflow and consistent performance

• Includes 1.270-inch valve springs for reliable valve operation

• Angle plug design compatible with various engine setups

• Pair of cylinder heads suitable for racing and street performance