CalOffroad
N70 RG Leaf Conversion Pack
N70 RG Leaf Conversion Pack
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N70 RG Leaf Conversion Pack — everything needed to convert a Hilux N70 rear end onto Isuzu/Holden RG-sourced leaf springs, matched with a 660mm open Bilstein Platinum rear shock and the correct extended shackle and brake line for the extra travel.
What's in the kit
- 1 x CalOffroad Rear Leaf Pack — pick your duty tier above (Light / Medium / Extra Heavy Duty), sourced from Isuzu D-Max / Holden Colorado RG stock
- 2 x Bilstein Platinum Rear Shock, 660mm open (400mm closed)
- 1 x Extended Greasable Shackle Pair — 190mm bolt-centre-to-bolt-centre (Hilux N70 pattern)
- Extended brake line — pick single or pair above
Optional add-on: tick the box in the calculator below to add a N70 Hilux Leaf Spring Bush Kit (fresh polyurethane bushes, +$111.93) to your order as a separate line item.
Important — 3° caster wedges are not included. This conversion needs a 3-degree caster correction wedge fitted between the axle pad and the leaf pack. We don't stock these — please source your own before booking a fit, or contact us and we'll point you in the right direction.
Tick everything that's fitted (or planned) on the back of your ute. Note: because the RG-sourced leaf pack in this kit rates a notch lighter in real-world use than a standard N70 pack of the same nominal rating, the suggested rating below is shown one tier lighter than the raw calculation — e.g. a load that would normally read Medium Duty is shown here as Light Duty. Use this to help pick the Leaf Duty Tier option above. This is guidance only.
| Rear accessory | Avg weight | |
|---|---|---|
| Aluminium tray | 90kg | |
| Steel tray | 150kg | |
| Aluminium canopy | 70kg | |
| Steel canopy | 120kg | |
| Drawer system | 40kg | |
| Dual battery setup | 25kg | |
| Water tank (full, ~80L) | 80kg | |
| Aux fuel tank (full, ~60L) | 55kg | |
| Spare tyre (extra/mounted) | 25kg | |
| Tool boxes | 20kg | |
| General camping/touring gear | 100kg |
* Weights are rough averages for guidance only. This gets attached to your order automatically so we see it at checkout — we'll still confirm before dispatch.
Please note: this kit is assembled to order and isn't held in stock — please allow standard lead time.
