Lightweight Under-drive Pulley Kit for Early Subaru EJ Turbo Engines

The GFB Lightweight Under-drive Pulley Kit replaces the factory accessory pulleys on early Subaru EJ-series turbo vehicles with a matched set of lightweight aluminium components. By reducing rotating mass and under-driving belt-driven accessories, the kit lowers parasitic load on the engine.

Under-drive Pulley Design

This kit uses under-drive pulley ratios to reduce accessory speed relative to engine speed, lowering the load placed on components such as the alternator and power steering pump while maintaining reliable operation.

Lightweight Aluminium Construction

Each pulley is precision machined from lightweight aluminium to significantly reduce inertia compared to the factory steel pulleys.

Matched Pulley Set

The pulleys are supplied as a matched kit to ensure correct belt alignment and compatibility when installed together.

Direct Bolt-On Installation

Designed as a direct replacement for the factory pulleys on the listed vehicles, the kit installs without modification when fitted as a complete set.