Holden Kingswood HQ HJ HX HZ WB gearbox tunnel

A$1,100.00

Gearbox & Driveshaft tunnel set

Quantity

Hq-wb Kingswood Ute and sedan

Hq-WB Kingswood sedan & Ute Transmission & Driveshaft Tunnels

Tired of struggling with custom floor pans? We’ve just released our high-quality, affordable gearbox and driveshaft tunnel kits, designed to give your project a professional, factory-finished look without the headache of manual fabrication.

Crafted from premium sheet metal with precision-pressed strengthening ribs, these tunnels are engineered for maximum clearance and structural integrity. Whether you are performing an engine swap, a manual conversion, or building a full tube-chassis rig, Swbfab has you covered.

Key features

Modular Design: Available in two-piece sections (Gearbox & Driveshaft) for easy installation and custom trimming.
Strength & Style: Features deep-pressed beads that reduce vibration and increase the rigidity of your floor pan.
Weld-Ready: Clean, raw finish ready for immediate mocking and welding.

Need Something Unique?

At Swbfab, we know that "one size fits all" doesn't always apply to custom builds. If our standard universal kit isn't exactly what you need:

We can manufacture any size or shape tunnel you require. From oversized diesel transmissions to ultra-low slammed trucks, send us your dimensions and we will custom-form a tunnel specifically for your chassis.

Shop the Collection

Don't settle for "good enough" with a hammer and a dolly. Upgrade your interior fabrication with a tunnel kit that looks as good as it performs.