Samsonas Motorsport 5/6 Speed Sequential Gearkit for Subaru Impreza STI

Product Overview

The Samsonas Motorsport Sequential Gearkit allows you to convert your Subaru Impreza STI (2002+) transmission into a full sequential dogbox while retaining the original gearbox housing1. Engineered for professional motorsport, this kit offers lightning-fast gear changes without the need for a completely new custom casing.

Key Features & Engineering

• Sequential Conversion: Transforms the H-pattern shift mechanism into a pure sequential operation for faster acceleration.

• High-Strength Construction: Gears are manufactured from the highest quality forged steel2.

• Optimized Design: Features new type straight-cut gears with a special tooth profile to ensure minimum rolling resistance and maximum strength3.

• Billet Internals: All selectors, shifting fingers, protections, and fork rods are made from billet steel for maximum reliability under race conditions4.

• Sensor Included: The kit includes a high-grade Hall Effect Gear Position Sensor555555555.

Available Configurations (Variants)

You can choose between two main configurations depending on your racing regulations and preference:

1. 5 Speed Sequential: Often preferred for Rally and Drag racing66.

2. 6 Speed Sequential: Ideal for Circuit and Time Attack77.

Technical Ratios (Sample)

The kit offers specialized ratios for different disciplines. Below are examples for the 6-Speed configuration:

Applications

• Rally & Rally Cross

• Drag Racing

• Time Attack

• Circuit Racing

• Hill Climb

Note: This package includes the gearkit and position sensor. It requires the OEM gearbox case for assembly. Professional assembly is highly recommended