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User Manuals, Instructions and Guides for 4H-TECH products.

4H-TECH manuals

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4H-TECH F40, M32 Nylon Bush Installation Guide

March 6, 2026

4H-TECH F40, M32 Nylon Bush Specifications Brand: 4H-TECH Model: Short Shifters 2025 Material: Nylon Guide Bush Instructions 4H-TECH Nylon Guide Bush Installation – F40 / M32 Gearbox This instruction explains…

4H-TECH Short Shifter Installation Guide for VW UP!, Seat Mii, Skoda Citigo

Installation Guide

Detailed fitting guide for 4H-TECH UPMPI-SHIFT, UPTSI-SHIFT, and UPGTI-SHIFT short shifters. Learn how to install these performance gear shift upgrades on VW UP!, Seat Mii, and Skoda Citigo models, ensuring…

4H-TECH Nylon Guide Bush Installation for F40/M32 Gearboxes

Installation Guide

A concise guide on how to replace the original plastic guide bush on the selector shaft of F40 and M32 gearboxes with the 4H-TECH Nylon Guide Bush. Installation takes approximately…

I-Shift Bushing Kit Installation Guide - 4H-TECH

installation guide

Concise and SEO-optimized HTML guide for installing the 4H-TECH I-Shift Bushing Kit, detailing removal, dismantling, reassembly, and refitting steps for a smoother gear change.