Technical Information

Marks 4WD is a leading Australian manufacturer of cutting-edge 4WD engine and transmission conversion kits. We offer a wide range of technical information about our products to help customers get the most out of them.

Our website includes detailed technical specifications, installation instructions, and frequently asked questions for all of our products.

Instructions & Product Drawings

Transmission Ratio Information

Diff Ratio Information

Tyre, Transfer & Diff Calculator

Engine & Gearbox Information

Toyota R150F & R151F Transmission Information

Toyota Bundera LJ70 and RJ70 Information

FAQ – Marks4WD Part Time 4WD Kit

GM LS V8 Engine Information

We also offer a comprehensive technical support library, including videos, articles, and diagrams. If you have any specific questions about our products, please don’t hesitate to contact our customer support team. We are always happy to help.

It is the responsibility of the customer and or installer of conversion components to be aware of the legal requirements (engineering) of vehicle modifications in their state, territory or country. This can depend on the vehicles use (on or offroad, registered or unregistered, etc)


Back to Top
Product has been added to your cart