Aluminum 102mm 4-Bolt Throttle Body & TPS IAC For GM Gen III LS1 LS2 LS6 LS7 LSX

102mm Throttle Body for GM Gen III LS

This aluminum 102mm 4-bolt throttle body with TPS and IAC is a direct-fit air intake upgrade for GM Gen III LS engines, replacing the factory 78mm or 90mm unit to increase airflow into the intake manifold.

Overview

The 102mm 4-bolt throttle body is designed for GM Gen III LS1, LS2, LS6, LS7, and LSX engine builds that need more airflow than the stock unit delivers. This throttle body ships with an integrated throttle position sensor and idle air control valve, making it a complete bolt-on assembly for naturally aspirated and forced induction setups. It suits engine builders, swap installers, and performance tuners working with LS-platform vehicles.

Built For Performance

• 102mm bore diameter supports higher airflow than factory LS throttle bodies
• Aluminum construction resists heat soak and holds up under boost
• 4-bolt mounting flange matches standard LS intake manifold patterns
• Includes throttle position sensor for plug-in signal compatibility
• Includes idle air control valve for stable idle tuning
• Compatible with LS1, LS2, LS6, LS7, and LSX engine families

Fits These Machines

• for GM Gen III LS1 equipped vehicles
• for GM Gen III LS2 equipped vehicles
• for GM Gen III LS6 equipped vehicles
• for GM Gen III LS7 equipped vehicles
• for GM Gen III LSX equipped vehicles

On-The-Job Use

• Naturally aspirated LS builds chasing top-end airflow
• Turbocharged and supercharged LS setups needing a larger throttle inlet
• Engine swap projects using LS-platform drivetrains
• Intake manifold and cylinder head upgrade combinations
• Street and strip builds requiring reliable idle control

Specs At A Glance

Good To Know

Q: Does this throttle body include the TPS and IAC? A: Yes, both the throttle position sensor and idle air control valve are included as part of this assembly, so no separate sensor purchase is needed for a standard install.

Q: Will a 102mm throttle body require tuning after installation? A: Yes, moving to a larger bore changes airflow at idle and part throttle, so a recalibration or tune is typically needed to keep idle quality and throttle response correct.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.