Speedmaster LS 4 Bolt 102mm to LS 96mm 4 Bolt Throttle Body Adapter

The Speedmaster LS 4 Bolt 102mm to LS 96mm 4 Bolt Throttle Body Adapter is a precision engine component designed for LS engine swaps and performance builds. This adapter enables fitment compatibility between 102mm and 96mm throttle body configurations, allowing seamless integration when upgrading or converting throttle body assemblies on LS-based powertrains. The four-bolt design ensures secure, factory-style mounting.

This throttle body adapter is essential for engine builders, restoration shops, and performance enthusiasts working with LS engine platforms. It provides a direct mechanical interface between different throttle body sizes without requiring extensive engine bay modifications. The adapter maintains proper fuel and air delivery calibration by ensuring correct throttle body alignment and seating.

Key Features & Benefits

• LS 4 Bolt Design: Four-bolt configuration ensures secure, rigid mounting compatible with standard LS throttle body specifications.
• 102mm to 96mm Conversion: Bridges the size difference between 102mm and 96mm throttle body flanges for flexible engine bay compatibility.
• Precision Engineering: Manufactured by Speedmaster to OEM tolerances for reliable fit and repeatable performance across LS platforms.
• Direct Fit Adapter: Drop-in solution eliminating the need for custom fabrication or extensive engine modifications.

Specifications

Ideal Applications

• LS engine swaps and engine conversions
• Performance throttle body upgrades and replacements
• Custom engine builds and hot rod projects
• Fuel-injected engine bay modifications and relocations