TCI 399753PE Pilot Extension Adapter for GM LS-Series

The TCI 399753PE Pilot Extension Adapter is designed for GM LS-series applications requiring a reliable pilot extension between different inside diameters. This precision-manufactured adapter transitions from a 1.45-inch inside diameter to a 1.70-inch inside diameter and provides a 0.872-inch-long extension for proper component alignment and fitment. It is supplied as an individual adapter for convenient installation or replacement.
Constructed from durable steel, the TCI 399753PE features a natural finish that supports dependable service in demanding drivetrain environments. Its purpose-built design helps establish the correct pilot relationship between compatible transmission and engine components, making it a practical solution for GM LS1 and related LS-series setups. Verify application requirements and pilot dimensions before installation to ensure proper compatibility.
The TCI 399753PE Pilot Extension Adapter is suitable for performance builds, drivetrain upgrades, and repair projects where accurate pilot positioning is essential. Its compact form supports straightforward installation while the steel construction provides the strength needed for consistent use. With its application-specific design and trusted TCI engineering, this adapter helps simplify LS-series installation requirements without unnecessary modifications.

Features:

• Brand: TCI

• Part Number: 399753PE

• Application: GM LS-series and LS1 engines

• Adapter Type: Pilot extension adapter

• Inside Diameter: Transitions from 1.45 inches to 1.70 inches

• Extension Length: 0.872 inches

• Material: Steel

• Finish: Natural

• Quantity: Sold individually